diff --git a/generators/python/core_utilities/shared/http_sse/__init__.py b/generators/python/core_utilities/shared/http_sse/__init__.py new file mode 100644 index 000000000000..a87150c6418b --- /dev/null +++ b/generators/python/core_utilities/shared/http_sse/__init__.py @@ -0,0 +1,14 @@ +from ._api import EventSource, aconnect_sse, connect_sse +from ._exceptions import SSEError +from ._models import ServerSentEvent + +__version__ = "0.4.1" + +__all__ = [ + "__version__", + "EventSource", + "connect_sse", + "aconnect_sse", + "ServerSentEvent", + "SSEError", +] diff --git a/generators/python/core_utilities/shared/http_sse/_api.py b/generators/python/core_utilities/shared/http_sse/_api.py new file mode 100644 index 000000000000..a4a8b6b8269c --- /dev/null +++ b/generators/python/core_utilities/shared/http_sse/_api.py @@ -0,0 +1,110 @@ +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/generators/python/core_utilities/shared/http_sse/_decoders.py b/generators/python/core_utilities/shared/http_sse/_decoders.py new file mode 100644 index 000000000000..95f82fc8f283 --- /dev/null +++ b/generators/python/core_utilities/shared/http_sse/_decoders.py @@ -0,0 +1,59 @@ +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/generators/python/core_utilities/shared/http_sse/_exceptions.py b/generators/python/core_utilities/shared/http_sse/_exceptions.py new file mode 100644 index 000000000000..cd2c4d287ce8 --- /dev/null +++ b/generators/python/core_utilities/shared/http_sse/_exceptions.py @@ -0,0 +1,5 @@ +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/generators/python/core_utilities/shared/http_sse/_models.py b/generators/python/core_utilities/shared/http_sse/_models.py new file mode 100644 index 000000000000..20cd872c52e0 --- /dev/null +++ b/generators/python/core_utilities/shared/http_sse/_models.py @@ -0,0 +1,15 @@ +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/generators/python/sdk/versions.yml b/generators/python/sdk/versions.yml index 898e181479f5..3698fb924688 100644 --- a/generators/python/sdk/versions.yml +++ b/generators/python/sdk/versions.yml @@ -1,5 +1,14 @@ # yaml-language-server: $schema=../../../fern-versions-yml.schema.json # For unreleased changes, use unreleased.yml +- version: 4.31.0 + changelogEntry: + - summary: | + - Removed external dependency on httpx-sse by bringing SSE handling in-house. + - Fixed SSE handling of events longer than or containing escaped newlines. + type: feat + createdAt: "2025-10-06" + irVersion: 60 + - version: 4.30.4-rc1 changelogEntry: - summary: | diff --git a/generators/python/src/fern_python/generators/sdk/client_generator/endpoint_response_code_writer.py b/generators/python/src/fern_python/generators/sdk/client_generator/endpoint_response_code_writer.py index 57a0f4a4a06c..3f1050df0efb 100644 --- a/generators/python/src/fern_python/generators/sdk/client_generator/endpoint_response_code_writer.py +++ b/generators/python/src/fern_python/generators/sdk/client_generator/endpoint_response_code_writer.py @@ -2,7 +2,6 @@ from ..context.sdk_generator_context import SdkGeneratorContext from fern_python.codegen import AST -from fern_python.external_dependencies.httpx_sse import HttpxSSE from fern_python.external_dependencies.json import Json from fern_python.generators.sdk.client_generator.constants import CHUNK_VARIABLE, RESPONSE_VARIABLE from fern_python.generators.sdk.client_generator.pagination.abstract_paginator import ( @@ -99,7 +98,18 @@ def _handle_success_stream(self, *, writer: AST.NodeWriter, stream_response: ir_ AST.VariableDeclaration( name=EndpointResponseCodeWriter.EVENT_SOURCE_VARIABLE, initializer=AST.Expression( - AST.ClassInstantiation(HttpxSSE.EVENT_SOURCE, [AST.Expression(RESPONSE_VARIABLE)]) + AST.ClassInstantiation( + class_=AST.ClassReference( + qualified_name_excluding_import=(), + import_=AST.ReferenceImport( + module=AST.Module.local( + *self._context.core_utilities._module_path, "http_sse", "_api" + ), + named_import="EventSource", + ), + ), + args=[AST.Expression(RESPONSE_VARIABLE)], + ) ), ), AST.ForStatement( @@ -119,7 +129,7 @@ def _handle_success_stream(self, *, writer: AST.NodeWriter, stream_response: ir_ conditions=[ AST.IfConditionLeaf( condition=AST.Expression( - f"{EndpointResponseCodeWriter.SSE_VARIABLE}.data == {stream_response_union.terminator}" + f"{EndpointResponseCodeWriter.SSE_VARIABLE}.data == {repr(stream_response_union.terminator)}" ), code=[AST.ReturnStatement()], ), @@ -131,16 +141,77 @@ def _handle_success_stream(self, *, writer: AST.NodeWriter, stream_response: ir_ AST.YieldStatement( self._context.core_utilities.get_construct( self._get_streaming_response_data_type(stream_response), - AST.Expression( - Json.loads( - AST.Expression(f"{EndpointResponseCodeWriter.SSE_VARIABLE}.data") - ) - ), + AST.Expression(f"{EndpointResponseCodeWriter.SSE_VARIABLE}.json()"), ), ), ], handlers=[ - noop_except_handler, + AST.ExceptHandler( + body=[ + AST.Expression( + AST.FunctionInvocation( + function_definition=AST.Reference( + qualified_name_excluding_import=(), + import_=AST.ReferenceImport( + module=AST.Module.built_in(("logging",)), + named_import="warning", + ), + ), + args=[ + AST.Expression( + f'f"Skipping SSE event with invalid JSON: {{e}}, sse: {{{EndpointResponseCodeWriter.SSE_VARIABLE}!r}}"' + ) + ], + ) + ), + ], + exception_type="JSONDecodeError", + name="e", + ), + AST.ExceptHandler( + body=[ + AST.Expression( + AST.FunctionInvocation( + function_definition=AST.Reference( + qualified_name_excluding_import=(), + import_=AST.ReferenceImport( + module=AST.Module.built_in(("logging",)), + named_import="warning", + ), + ), + args=[ + AST.Expression( + f'f"Skipping SSE event due to model construction error: {{type(e).__name__}}: {{e}}, sse: {{{EndpointResponseCodeWriter.SSE_VARIABLE}!r}}"' + ) + ], + ) + ), + ], + exception_type="(TypeError, ValueError, KeyError, AttributeError)", + name="e", + ), + AST.ExceptHandler( + body=[ + AST.Expression( + AST.FunctionInvocation( + function_definition=AST.Reference( + qualified_name_excluding_import=(), + import_=AST.ReferenceImport( + module=AST.Module.built_in(("logging",)), + named_import="error", + ), + ), + args=[ + AST.Expression( + f'f"Unexpected error processing SSE event: {{type(e).__name__}}: {{e}}, sse: {{{EndpointResponseCodeWriter.SSE_VARIABLE}!r}}"' + ) + ], + ) + ), + ], + exception_type="Exception", + name="e", + ), ], ), ], @@ -156,7 +227,7 @@ def _handle_success_stream(self, *, writer: AST.NodeWriter, stream_response: ir_ conditions=[ AST.IfConditionLeaf( condition=AST.Expression( - f"{EndpointResponseCodeWriter.STREAM_TEXT_VARIABLE} == {stream_response_union.terminator}" + f"{EndpointResponseCodeWriter.STREAM_TEXT_VARIABLE} == {repr(stream_response_union.terminator)}" ), code=[AST.ReturnStatement()], ), diff --git a/generators/python/src/fern_python/generators/sdk/core_utilities/core_utilities.py b/generators/python/src/fern_python/generators/sdk/core_utilities/core_utilities.py index aea5f21671ed..6ae600096c20 100644 --- a/generators/python/src/fern_python/generators/sdk/core_utilities/core_utilities.py +++ b/generators/python/src/fern_python/generators/sdk/core_utilities/core_utilities.py @@ -239,6 +239,9 @@ def copy_to_project(self, *, project: Project) -> None: exports={"EventType", "EventEmitterMixin"} if not self._exclude_types_from_init_exports else set(), ) + # Copy the entire http_sse folder + self._copy_http_sse_folder_to_project(project=project) + project.add_dependency(TYPING_EXTENSIONS_DEPENDENCY) if self._version == PydanticVersionCompatibility.V1: project.add_dependency(PYDANTIC_V1_DEPENDENCY) @@ -265,6 +268,57 @@ def _copy_file_to_project( exports=exports, ) + def _copy_http_sse_folder_to_project(self, *, project: Project) -> None: + """Copy the http_sse folder using the same approach as individual file copying""" + source = ( + os.path.join(os.path.dirname(__file__), "../../../../../core_utilities/sdk") + if "PYTEST_CURRENT_TEST" in os.environ + else "/assets/core_utilities" + ) + folder_path_on_disk = os.path.join(source, "http_sse") + + # Define exports for each file + file_exports = { + "_api.py": {"EventSource", "connect_sse", "aconnect_sse"}, + "_exceptions.py": {"SSEError"}, + "_models.py": {"ServerSentEvent"}, + } + + # Walk through all files in the folder and copy them maintaining directory structure + for root, dirs, files in os.walk(folder_path_on_disk): + for file in files: + if file.endswith(".py"): # Only copy Python files + # Calculate relative path from the source folder + rel_path = os.path.relpath(os.path.join(root, file), folder_path_on_disk) + + # Convert to module path (remove .py extension and split by path separator) + module_parts = rel_path.replace(".py", "").split(os.sep) + + # Build the filepath in project - http_sse goes under core + if len(module_parts) == 1: + # Single file in root of folder + filepath_in_project = Filepath( + directories=self.filepath + (Filepath.DirectoryFilepathPart(module_name="http_sse"),), + file=Filepath.FilepathPart(module_name=module_parts[0]), + ) + else: + # File in subdirectory - add subdirectories to the base folder path + directories = list(self.filepath) + [Filepath.DirectoryFilepathPart(module_name="http_sse")] + for part in module_parts[:-1]: + directories.append(Filepath.DirectoryFilepathPart(module_name=part)) + + filepath_in_project = Filepath( + directories=tuple(directories), file=Filepath.FilepathPart(module_name=module_parts[-1]) + ) + + # Use the same approach as as_is_copier.py + SourceFileFactory.add_source_file_from_disk( + project=project, + path_on_disk=os.path.join(root, file), + filepath_in_project=filepath_in_project, + exports=file_exports.get(file, set()), + ) + def get_reference_to_api_error(self, as_snippet: bool = False) -> AST.ClassReference: module_path = self._project_module_path + self._module_path if as_snippet else self._module_path module = ( diff --git a/generators/python/tests/utils/test_http_sse.py b/generators/python/tests/utils/test_http_sse.py new file mode 100644 index 000000000000..e6de1452917a --- /dev/null +++ b/generators/python/tests/utils/test_http_sse.py @@ -0,0 +1,684 @@ +import json +from typing import AsyncIterator +from unittest.mock import AsyncMock, Mock + +import httpx +import pytest + +from core_utilities.shared.http_sse import ( + EventSource, + ServerSentEvent, + SSEError, + aconnect_sse, + connect_sse, +) + + +class TestSSEDecoder: + """Test cases for SSEDecoder with edge cases and complex scenarios.""" + + def test_basic_sse_event(self) -> None: + """Test basic SSE event decoding.""" + sse_stream = "event: test\ndata: hello world\nid: 123\nretry: 5000\n\n" + + # Convert string to bytes for httpx.Response.iter_bytes() + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "hello world" + assert events[0].id == "123" + assert events[0].retry == 5000 + + def test_multiple_sse_events_without_final_double_newline(self) -> None: + """Test multiple SSE events where the final one doesn't end with double newline.""" + # Simulate a real SSE stream where the final event doesn't end with double newline + # The key is that the incomplete event should still be processed when the stream ends + chunks = [ + b"event: first\ndata: first data\n\n", + b"event: second\ndata: second data\n\n", + b"event: third\ndata: third data\n", # Has newline but no double newline + ] + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = chunks + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + # The decoder only returns complete events (those ending with double newline) + # The third event is incomplete, so it's not returned + assert len(events) == 2 + assert events[0].event == "first" + assert events[0].data == "first data" + assert events[1].event == "second" + assert events[1].data == "second data" + + def test_sse_event_with_escaped_double_newlines(self) -> None: + """Test SSE event with escaped double newlines in data.""" + # Test data that contains literal \n characters (escaped newlines) in the content + sse_stream = "event: multiline\ndata: line1\\nline2\ndata: \\n\\n\ndata: line3\\n\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "multiline" + # Should preserve the literal \n characters in the data + assert events[0].data == "line1\\nline2\n\\n\\n\nline3\\n" + + def test_sse_event_with_complex_escaped_content(self) -> None: + """Test SSE event with complex escaped content including newlines.""" + # Test data with both actual newlines (from multiple data lines) and literal \n characters + sse_stream = "event: complex\ndata: This is line 1\ndata: This is line 2\ndata: \ndata: This is line 3\ndata: Special chars: \\n \\r \\t\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "complex" + # Should have actual newlines from multiple data lines AND preserve literal \n characters + expected_data = "This is line 1\nThis is line 2\n\nThis is line 3\nSpecial chars: \\n \\r \\t" + assert events[0].data == expected_data + + def test_sse_event_with_null_character_in_id(self) -> None: + """Test SSE event with null character in id field (should be ignored).""" + sse_stream = "event: test\ndata: test data\nid: normal_id\nid: id_with_null\0character\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].id == "normal_id" # Should keep the previous valid id + + def test_sse_event_with_invalid_retry(self) -> None: + """Test SSE event with invalid retry value.""" + sse_stream = "event: test\ndata: test data\nretry: 5000\nretry: invalid\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].retry == 5000 # Should keep the previous valid retry + + def test_sse_event_with_comment_line(self) -> None: + """Test SSE event with comment line (starts with colon).""" + sse_stream = "event: test\ndata: test data\n: this is a comment\ndata: more data\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].data == "test data\nmore data" + + def test_sse_event_with_field_name_space(self) -> None: + """Test SSE event with field name followed by space.""" + sse_stream = "event: test\ndata: test data\ndata : spaced field\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + # The decoder treats "data :" as a different field name, so it's ignored + assert events[0].data == "test data" + + def test_sse_event_with_unknown_field(self) -> None: + """Test SSE event with unknown field (should be ignored).""" + sse_stream = "event: test\ndata: test data\nunknown: ignored\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "test data" + + def test_empty_sse_event(self) -> None: + """Test empty SSE event (no fields).""" + sse_stream = "\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 0 + + def test_sse_event_with_only_data(self) -> None: + """Test SSE event with only data field (default event type).""" + sse_stream = "data: hello\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "" # No event field set, so empty string + assert events[0].data == "hello" + + def test_multiple_data_lines(self) -> None: + """Test SSE event with multiple data lines.""" + sse_stream = "data: line1\ndata: line2\ndata: line3\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].data == "line1\nline2\nline3" + + def test_sse_event_with_retry_only(self) -> None: + """Test SSE event with only retry field.""" + sse_stream = "retry: 3000\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].retry == 3000 + assert events[0].event == "" # No event field set, so empty string + assert events[0].data == "" # Empty data + + def test_sse_event_preserves_last_event_id(self) -> None: + """Test that last event id is preserved across events.""" + sse_stream = "id: first_id\ndata: first data\n\ndata: second data\n\n" + + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [sse_stream.encode("utf-8")] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 2 + assert events[0].id == "first_id" + assert events[1].id == "first_id" # Should preserve last event id + + +class TestEventSource: + """Test cases for EventSource class.""" + + def test_content_type_validation(self) -> None: + """Test content type validation.""" + # Valid content type + response = Mock() + response.headers = {"content-type": "text/event-stream"} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + # Invalid content type + response.headers = {"content-type": "application/json"} + with pytest.raises(SSEError, match="Expected response header Content-Type to contain 'text/event-stream'"): + event_source._check_content_type() + + def test_content_type_with_charset(self) -> None: + """Test content type with charset parameter.""" + response = Mock() + response.headers = {"content-type": "text/event-stream; charset=utf-8"} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + # Should detect charset correctly + assert event_source._get_charset() == "utf-8" + + def test_charset_detection_utf16(self) -> None: + """Test charset detection for UTF-16.""" + response = Mock() + response.headers = {"content-type": "text/event-stream; charset=utf-16"} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + assert event_source._get_charset() == "utf-16" + + def test_charset_detection_iso8859(self) -> None: + """Test charset detection for ISO-8859-1.""" + response = Mock() + response.headers = {"content-type": "text/event-stream; charset=iso-8859-1"} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + assert event_source._get_charset() == "iso-8859-1" + + def test_charset_detection_quoted(self) -> None: + """Test charset detection with quoted charset.""" + response = Mock() + response.headers = {"content-type": 'text/event-stream; charset="utf-8"'} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + assert event_source._get_charset() == "utf-8" + + def test_charset_detection_invalid_fallback(self) -> None: + """Test charset detection with invalid charset falls back to UTF-8.""" + response = Mock() + response.headers = {"content-type": "text/event-stream; charset=invalid-charset"} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + # Should detect charset correctly + assert event_source._get_charset() == "utf-8" + + def test_charset_detection_no_charset(self) -> None: + """Test charset detection with no charset specified falls back to UTF-8.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + event_source = EventSource(response) + + # Should not raise exception + event_source._check_content_type() + + assert event_source._get_charset() == "utf-8" + + def test_sse_with_utf16_encoding(self) -> None: + """Test SSE processing with UTF-16 encoding.""" + # Create UTF-16 encoded SSE data + sse_data = "event: test\ndata: hello world\n\n" + utf16_bytes = sse_data.encode("utf-16") + + response = Mock() + response.headers = {"content-type": "text/event-stream; charset=utf-16"} + response.iter_bytes.return_value = [utf16_bytes] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "hello world" + + def test_sse_with_iso8859_encoding(self) -> None: + """Test SSE processing with ISO-8859-1 encoding.""" + # Create ISO-8859-1 encoded SSE data + sse_data = "event: test\ndata: café\n\n" + iso_bytes = sse_data.encode("iso-8859-1") + + response = Mock() + response.headers = {"content-type": "text/event-stream; charset=iso-8859-1"} + response.iter_bytes.return_value = [iso_bytes] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "café" + + def test_iter_sse_basic(self) -> None: + """Test basic SSE iteration.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [b"event: test\n", b"data: hello\n", b"data: world\n", b"\n"] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "hello\nworld" + + def test_iter_sse_multiple_events(self) -> None: + """Test SSE iteration with multiple events.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [ + b"event: first\n", + b"data: first data\n", + b"\n", + b"event: second\n", + b"data: second data\n", + b"\n", + ] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 2 + assert events[0].event == "first" + assert events[0].data == "first data" + assert events[1].event == "second" + assert events[1].data == "second data" + + def test_iter_sse_with_remaining_buffer(self) -> None: + """Test SSE iteration with remaining buffer data.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [ + b"event: test\n", + b"data: hello\n", + b"data: world\n", + b"\n", + b"asdlkjfa;skdjf", # Extra buffer that shouldn't be processed + ] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "hello\nworld" + + def test_iter_sse_with_utf8_errors(self) -> None: + """Test SSE iteration with UTF-8 decoding errors.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + # Include invalid UTF-8 bytes + response.iter_bytes.return_value = [ + b"event: test\n", + b"data: hello\xffworld\n", # Invalid UTF-8 + b"\n", + ] + + event_source = EventSource(response) + events = list(event_source.iter_sse()) + + assert len(events) == 1 + assert events[0].event == "test" + # Should handle UTF-8 errors gracefully + assert "hello" in events[0].data + + @pytest.mark.asyncio + async def test_aiter_sse_basic(self) -> None: + """Test basic async SSE iteration.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + + # Mock aiter_lines to return the SSE data as lines + async def mock_aiter_lines() -> AsyncIterator[str]: + yield "event: test" + yield "data: hello" + yield "data: world" + yield "" # Empty line triggers event + + response.aiter_lines = mock_aiter_lines + + event_source = EventSource(response) + events = [] + async for event in event_source.aiter_sse(): + events.append(event) + + assert len(events) == 1 + assert events[0].event == "test" + assert events[0].data == "hello\nworld" + + @pytest.mark.asyncio + async def test_aiter_sse_multiple_events(self) -> None: + """Test async SSE iteration with multiple events.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + + # Mock aiter_lines to return the SSE data as lines + async def mock_aiter_lines() -> AsyncIterator[str]: + yield "event: first" + yield "data: first data" + yield "" + yield "event: second" + yield "data: second data" + yield "" + + response.aiter_lines = mock_aiter_lines + + event_source = EventSource(response) + events = [] + async for event in event_source.aiter_sse(): + events.append(event) + + assert len(events) == 2 + assert events[0].event == "first" + assert events[0].data == "first data" + assert events[1].event == "second" + assert events[1].data == "second data" + + @pytest.mark.asyncio + async def test_aiter_sse_cleanup(self) -> None: + """Test that async SSE iteration properly closes the async generator.""" + response = Mock() + response.headers = {"content-type": "text/event-stream"} + + # Mock aiter_lines to return the SSE data as lines + async def mock_aiter_lines() -> AsyncIterator[str]: + yield "data: test" + yield "" + + response.aiter_lines = mock_aiter_lines + + event_source = EventSource(response) + + # Should process events correctly + events = [] + async for event in event_source.aiter_sse(): + events.append(event) + + assert len(events) == 1 + assert events[0].data == "test" + + +class TestConnectSSE: + """Test cases for connect_sse and aconnect_sse functions.""" + + def test_connect_sse_headers(self) -> None: + """Test that connect_sse sets proper headers.""" + client = Mock() + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [b"data: test\n\n"] + + # Mock the context manager + context_manager = Mock() + context_manager.__enter__ = Mock(return_value=response) + context_manager.__exit__ = Mock(return_value=None) + client.stream.return_value = context_manager + + with connect_sse(client, "GET", "http://example.com/sse") as event_source: + assert isinstance(event_source, EventSource) + + # Check that proper headers were set + client.stream.assert_called_once() + call_args = client.stream.call_args + assert call_args[1]["headers"]["Accept"] == "text/event-stream" + assert call_args[1]["headers"]["Cache-Control"] == "no-store" + + def test_connect_sse_with_custom_headers(self) -> None: + """Test that connect_sse preserves custom headers.""" + client = Mock() + response = Mock() + response.headers = {"content-type": "text/event-stream"} + response.iter_bytes.return_value = [b"data: test\n\n"] + + # Mock the context manager + context_manager = Mock() + context_manager.__enter__ = Mock(return_value=response) + context_manager.__exit__ = Mock(return_value=None) + client.stream.return_value = context_manager + + custom_headers = {"Authorization": "Bearer token"} + + with connect_sse(client, "GET", "http://example.com/sse", headers=custom_headers) as event_source: + assert isinstance(event_source, EventSource) + + # Check that custom headers are preserved and SSE headers are added + call_args = client.stream.call_args + headers = call_args[1]["headers"] + assert headers["Accept"] == "text/event-stream" + assert headers["Cache-Control"] == "no-store" + assert headers["Authorization"] == "Bearer token" + + @pytest.mark.asyncio + async def test_aconnect_sse_headers(self) -> None: + """Test that aconnect_sse sets proper headers.""" + client = Mock() + response = Mock() + response.headers = {"content-type": "text/event-stream"} + + async def mock_aiter_lines() -> AsyncIterator[str]: + yield "data: test" + yield "" + + response.aiter_lines = mock_aiter_lines + + # Mock the async context manager + async_context_manager = Mock() + async_context_manager.__aenter__ = AsyncMock(return_value=response) + async_context_manager.__aexit__ = AsyncMock(return_value=None) + client.stream.return_value = async_context_manager + + async with aconnect_sse(client, "GET", "http://example.com/sse") as event_source: + assert isinstance(event_source, EventSource) + + # Check that proper headers were set + client.stream.assert_called_once() + call_args = client.stream.call_args + assert call_args[1]["headers"]["Accept"] == "text/event-stream" + assert call_args[1]["headers"]["Cache-Control"] == "no-store" + + @pytest.mark.asyncio + async def test_aconnect_sse_with_custom_headers(self) -> None: + """Test that aconnect_sse preserves custom headers.""" + client = Mock() + response = Mock() + response.headers = {"content-type": "text/event-stream"} + + async def mock_aiter_lines() -> AsyncIterator[str]: + yield "data: test" + yield "" + + response.aiter_lines = mock_aiter_lines + + # Mock the async context manager + async_context_manager = Mock() + async_context_manager.__aenter__ = AsyncMock(return_value=response) + async_context_manager.__aexit__ = AsyncMock(return_value=None) + client.stream.return_value = async_context_manager + + custom_headers = {"Authorization": "Bearer token"} + + async with aconnect_sse(client, "GET", "http://example.com/sse", headers=custom_headers) as event_source: + assert isinstance(event_source, EventSource) + + # Check that custom headers are preserved and SSE headers are added + call_args = client.stream.call_args + headers = call_args[1]["headers"] + assert headers["Accept"] == "text/event-stream" + assert headers["Cache-Control"] == "no-store" + assert headers["Authorization"] == "Bearer token" + + +class TestServerSentEvent: + """Test cases for ServerSentEvent model.""" + + def test_default_values(self) -> None: + """Test default values for ServerSentEvent.""" + event = ServerSentEvent() + + assert event.event == "message" + assert event.data == "" + assert event.id == "" + assert event.retry is None + + def test_custom_values(self) -> None: + """Test custom values for ServerSentEvent.""" + event = ServerSentEvent(event="custom", data="test data", id="123", retry=5000) + + assert event.event == "custom" + assert event.data == "test data" + assert event.id == "123" + assert event.retry == 5000 + + def test_json_parsing(self) -> None: + """Test JSON parsing of data field.""" + event = ServerSentEvent(data='{"key": "value", "number": 42}') + + json_data = event.json() + assert json_data == {"key": "value", "number": 42} + + def test_json_parsing_invalid_json(self) -> None: + """Test JSON parsing with invalid JSON data.""" + event = ServerSentEvent(data="invalid json") + + with pytest.raises(json.JSONDecodeError): + event.json() + + def test_immutability(self) -> None: + """Test that ServerSentEvent is immutable.""" + event = ServerSentEvent(event="test", data="data") + + with pytest.raises(AttributeError): + event.event = "modified" # type: ignore[misc] + + with pytest.raises(AttributeError): + event.data = "modified" # type: ignore[misc] + + +class TestSSEError: + """Test cases for SSEError exception.""" + + def test_sse_error_inheritance(self) -> None: + """Test that SSEError inherits from httpx.TransportError.""" + error = SSEError("test error") + + assert isinstance(error, httpx.TransportError) + assert str(error) == "test error" + + def test_sse_error_with_custom_message(self) -> None: + """Test SSEError with custom message.""" + message = "Custom SSE error message" + error = SSEError(message) + + assert str(error) == message diff --git a/seed/python-sdk/accept-header/src/seed/core/http_sse/__init__.py b/seed/python-sdk/accept-header/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/accept-header/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/accept-header/src/seed/core/http_sse/_api.py b/seed/python-sdk/accept-header/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/accept-header/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/accept-header/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/accept-header/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/accept-header/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/accept-header/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/accept-header/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/accept-header/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/accept-header/src/seed/core/http_sse/_models.py b/seed/python-sdk/accept-header/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/accept-header/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/alias-extends/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/alias-extends/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/alias/src/seed/core/http_sse/__init__.py b/seed/python-sdk/alias/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/alias/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/alias/src/seed/core/http_sse/_api.py b/seed/python-sdk/alias/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/alias/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/alias/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/alias/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/alias/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/alias/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/alias/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/alias/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/alias/src/seed/core/http_sse/_models.py b/seed/python-sdk/alias/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/alias/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/any-auth/src/seed/core/http_sse/__init__.py b/seed/python-sdk/any-auth/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/any-auth/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/any-auth/src/seed/core/http_sse/_api.py b/seed/python-sdk/any-auth/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/any-auth/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/any-auth/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/any-auth/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/any-auth/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/any-auth/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/any-auth/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/any-auth/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/any-auth/src/seed/core/http_sse/_models.py b/seed/python-sdk/any-auth/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/any-auth/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/__init__.py b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_api.py b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_models.py b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/api-wide-base-path/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/audiences/src/seed/core/http_sse/__init__.py b/seed/python-sdk/audiences/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/audiences/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/audiences/src/seed/core/http_sse/_api.py b/seed/python-sdk/audiences/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/audiences/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/audiences/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/audiences/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/audiences/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/audiences/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/audiences/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/audiences/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/audiences/src/seed/core/http_sse/_models.py b/seed/python-sdk/audiences/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/audiences/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/__init__.py b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_api.py b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_models.py b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/auth-environment-variables/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/__init__.py b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_api.py b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_models.py b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/basic-auth-environment-variables/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/basic-auth/src/seed/core/http_sse/__init__.py b/seed/python-sdk/basic-auth/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/basic-auth/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/basic-auth/src/seed/core/http_sse/_api.py b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/basic-auth/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/basic-auth/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/basic-auth/src/seed/core/http_sse/_models.py b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/basic-auth/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/__init__.py b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_api.py b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_models.py b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/bearer-token-environment-variable/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/bytes-download/src/seed/core/http_sse/__init__.py b/seed/python-sdk/bytes-download/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/bytes-download/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/bytes-download/src/seed/core/http_sse/_api.py b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/bytes-download/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/bytes-download/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/bytes-download/src/seed/core/http_sse/_models.py b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/bytes-download/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/bytes-upload/src/seed/core/http_sse/__init__.py b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_api.py b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_models.py b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/bytes-upload/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/circular-references-advanced/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/circular-references/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/circular-references/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/client-side-params/src/seed/core/http_sse/__init__.py b/seed/python-sdk/client-side-params/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/client-side-params/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/client-side-params/src/seed/core/http_sse/_api.py b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/client-side-params/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/client-side-params/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/client-side-params/src/seed/core/http_sse/_models.py b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/client-side-params/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/content-type/src/seed/core/http_sse/__init__.py b/seed/python-sdk/content-type/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/content-type/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/content-type/src/seed/core/http_sse/_api.py b/seed/python-sdk/content-type/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/content-type/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/content-type/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/content-type/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/content-type/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/content-type/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/content-type/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/content-type/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/content-type/src/seed/core/http_sse/_models.py b/seed/python-sdk/content-type/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/content-type/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/__init__.py b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_api.py b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_models.py b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/cross-package-type-names/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/custom-auth/src/seed/core/http_sse/__init__.py b/seed/python-sdk/custom-auth/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/custom-auth/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/custom-auth/src/seed/core/http_sse/_api.py b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/custom-auth/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/custom-auth/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/custom-auth/src/seed/core/http_sse/_models.py b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/custom-auth/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/empty-clients/src/seed/core/http_sse/__init__.py b/seed/python-sdk/empty-clients/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/empty-clients/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/empty-clients/src/seed/core/http_sse/_api.py b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/empty-clients/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/empty-clients/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/empty-clients/src/seed/core/http_sse/_models.py b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/empty-clients/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/enum/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/enum/strenum/src/seed/core/http_sse/__init__.py b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_api.py b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_models.py b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/enum/strenum/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/error-property/src/seed/core/http_sse/__init__.py b/seed/python-sdk/error-property/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/error-property/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/error-property/src/seed/core/http_sse/_api.py b/seed/python-sdk/error-property/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/error-property/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/error-property/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/error-property/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/error-property/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/error-property/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/error-property/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/error-property/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/error-property/src/seed/core/http_sse/_models.py b/seed/python-sdk/error-property/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/error-property/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/errors/src/seed/core/http_sse/__init__.py b/seed/python-sdk/errors/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/errors/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/errors/src/seed/core/http_sse/_api.py b/seed/python-sdk/errors/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/errors/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/errors/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/errors/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/errors/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/errors/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/errors/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/errors/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/errors/src/seed/core/http_sse/_models.py b/seed/python-sdk/errors/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/errors/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/__init__.py b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_api.py b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_models.py b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/examples/client-filename/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/__init__.py b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_api.py b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_models.py b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/examples/legacy-wire-tests/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/examples/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/examples/readme/src/seed/core/http_sse/__init__.py b/seed/python-sdk/examples/readme/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/examples/readme/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/examples/readme/src/seed/core/http_sse/_api.py b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/examples/readme/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/examples/readme/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/examples/readme/src/seed/core/http_sse/_models.py b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/examples/readme/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/additional_init_exports/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_with_validation/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/aliases_without_validation/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..4c77798d1e5f --- /dev/null +++ b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/__init__.py @@ -0,0 +1,9 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +from ._api import EventSource, aconnect_sse, connect_sse +from ._exceptions import SSEError +from ._models import ServerSentEvent + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/eager-imports/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dependencies/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/extra_dev_dependencies/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/five-second-timeout/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/follow_redirects_by_default/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/improved_imports/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/infinite-timeout/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/inline-path-params/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/inline_request_params/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-extra-fields/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-ignore-fields/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-with-utils/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1-wrapped/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v1/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pydantic-v2-wrapped/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/pyproject_extras/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/skip-pydantic-validation/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/__init__.py b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_api.py b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_models.py b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/exhaustive/union-utils/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/extends/src/seed/core/http_sse/__init__.py b/seed/python-sdk/extends/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/extends/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/extends/src/seed/core/http_sse/_api.py b/seed/python-sdk/extends/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/extends/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/extends/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/extends/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/extends/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/extends/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/extends/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/extends/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/extends/src/seed/core/http_sse/_models.py b/seed/python-sdk/extends/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/extends/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/extra-properties/src/seed/core/http_sse/__init__.py b/seed/python-sdk/extra-properties/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/extra-properties/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/extra-properties/src/seed/core/http_sse/_api.py b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/extra-properties/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/extra-properties/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/extra-properties/src/seed/core/http_sse/_models.py b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/extra-properties/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/__init__.py b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_api.py b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_models.py b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/file-download/default-chunk-size/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/file-download/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/__init__.py b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_api.py b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_models.py b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/file-upload/exclude_types_from_init_exports/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/file-upload/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/__init__.py b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_api.py b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_models.py b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/file-upload/use_typeddict_requests/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/folders/src/seed/core/http_sse/__init__.py b/seed/python-sdk/folders/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/folders/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/folders/src/seed/core/http_sse/_api.py b/seed/python-sdk/folders/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/folders/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/folders/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/folders/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/folders/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/folders/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/folders/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/folders/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/folders/src/seed/core/http_sse/_models.py b/seed/python-sdk/folders/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/folders/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/http-head/src/seed/core/http_sse/__init__.py b/seed/python-sdk/http-head/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/http-head/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/http-head/src/seed/core/http_sse/_api.py b/seed/python-sdk/http-head/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/http-head/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/http-head/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/http-head/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/http-head/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/http-head/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/http-head/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/http-head/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/http-head/src/seed/core/http_sse/_models.py b/seed/python-sdk/http-head/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/http-head/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/__init__.py b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_api.py b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_models.py b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/idempotency-headers/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/imdb/src/seed/core/http_sse/__init__.py b/seed/python-sdk/imdb/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/imdb/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/imdb/src/seed/core/http_sse/_api.py b/seed/python-sdk/imdb/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/imdb/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/imdb/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/imdb/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/imdb/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/imdb/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/imdb/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/imdb/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/imdb/src/seed/core/http_sse/_models.py b/seed/python-sdk/imdb/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/imdb/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/__init__.py b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_api.py b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_models.py b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/inferred-auth-explicit/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/__init__.py b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_api.py b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_models.py b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit-no-expiry/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/__init__.py b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_api.py b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_models.py b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/inferred-auth-implicit/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/license/src/seed/core/http_sse/__init__.py b/seed/python-sdk/license/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/license/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/license/src/seed/core/http_sse/_api.py b/seed/python-sdk/license/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/license/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/license/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/license/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/license/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/license/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/license/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/license/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/license/src/seed/core/http_sse/_models.py b/seed/python-sdk/license/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/license/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/literal/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/__init__.py b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_api.py b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_models.py b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/literal/use_typeddict_requests/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/literals-unions/src/seed/core/http_sse/__init__.py b/seed/python-sdk/literals-unions/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/literals-unions/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/literals-unions/src/seed/core/http_sse/_api.py b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/literals-unions/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/literals-unions/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/literals-unions/src/seed/core/http_sse/_models.py b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/literals-unions/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/mixed-case/src/seed/core/http_sse/__init__.py b/seed/python-sdk/mixed-case/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/mixed-case/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/mixed-case/src/seed/core/http_sse/_api.py b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/mixed-case/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/mixed-case/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/mixed-case/src/seed/core/http_sse/_models.py b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/mixed-case/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/__init__.py b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_api.py b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_models.py b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/exclude_types_from_init_exports/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/mixed-file-directory/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/__init__.py b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_api.py b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_models.py b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/multi-line-docs/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/__init__.py b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_api.py b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_models.py b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/multi-url-environment-no-default/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/__init__.py b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_api.py b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_models.py b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/multi-url-environment/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/__init__.py b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_api.py b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_models.py b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/multiple-request-bodies/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/no-environment/src/seed/core/http_sse/__init__.py b/seed/python-sdk/no-environment/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/no-environment/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/no-environment/src/seed/core/http_sse/_api.py b/seed/python-sdk/no-environment/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/no-environment/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/no-environment/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/no-environment/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/no-environment/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/no-environment/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/no-environment/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/no-environment/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/no-environment/src/seed/core/http_sse/_models.py b/seed/python-sdk/no-environment/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/no-environment/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/nullable-optional/src/seed/core/http_sse/__init__.py b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_api.py b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_models.py b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/nullable-optional/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/nullable/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/__init__.py b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_api.py b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_models.py b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/nullable/use-typeddict-requests/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/__init__.py b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_api.py b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_models.py b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-custom/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/__init__.py b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_api.py b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_models.py b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-default/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/__init__.py b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_api.py b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_models.py b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-environment-variables/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/__init__.py b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_api.py b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_models.py b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-nested-root/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/__init__.py b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_api.py b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_models.py b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials-with-variables/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/__init__.py b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_api.py b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_models.py b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/oauth-client-credentials/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/object/src/seed/core/http_sse/__init__.py b/seed/python-sdk/object/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/object/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/object/src/seed/core/http_sse/_api.py b/seed/python-sdk/object/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/object/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/object/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/object/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/object/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/object/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/object/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/object/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/object/src/seed/core/http_sse/_models.py b/seed/python-sdk/object/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/object/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/__init__.py b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_api.py b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_models.py b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/objects-with-imports/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/optional/src/seed/core/http_sse/__init__.py b/seed/python-sdk/optional/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/optional/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/optional/src/seed/core/http_sse/_api.py b/seed/python-sdk/optional/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/optional/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/optional/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/optional/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/optional/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/optional/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/optional/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/optional/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/optional/src/seed/core/http_sse/_models.py b/seed/python-sdk/optional/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/optional/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/package-yml/src/seed/core/http_sse/__init__.py b/seed/python-sdk/package-yml/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/package-yml/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/package-yml/src/seed/core/http_sse/_api.py b/seed/python-sdk/package-yml/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/package-yml/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/package-yml/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/package-yml/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/package-yml/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/package-yml/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/package-yml/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/package-yml/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/package-yml/src/seed/core/http_sse/_models.py b/seed/python-sdk/package-yml/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/package-yml/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/pagination/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/pagination/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/path-parameters/src/seed/core/http_sse/__init__.py b/seed/python-sdk/path-parameters/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/path-parameters/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/path-parameters/src/seed/core/http_sse/_api.py b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/path-parameters/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/path-parameters/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/path-parameters/src/seed/core/http_sse/_models.py b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/path-parameters/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/plain-text/src/seed/core/http_sse/__init__.py b/seed/python-sdk/plain-text/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/plain-text/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/plain-text/src/seed/core/http_sse/_api.py b/seed/python-sdk/plain-text/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/plain-text/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/plain-text/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/plain-text/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/plain-text/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/plain-text/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/plain-text/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/plain-text/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/plain-text/src/seed/core/http_sse/_models.py b/seed/python-sdk/plain-text/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/plain-text/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/property-access/src/seed/core/http_sse/__init__.py b/seed/python-sdk/property-access/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/property-access/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/property-access/src/seed/core/http_sse/_api.py b/seed/python-sdk/property-access/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/property-access/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/property-access/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/property-access/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/property-access/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/property-access/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/property-access/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/property-access/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/property-access/src/seed/core/http_sse/_models.py b/seed/python-sdk/property-access/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/property-access/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/public-object/src/seed/core/http_sse/__init__.py b/seed/python-sdk/public-object/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/public-object/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/public-object/src/seed/core/http_sse/_api.py b/seed/python-sdk/public-object/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/public-object/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/public-object/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/public-object/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/public-object/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/public-object/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/public-object/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/public-object/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/public-object/src/seed/core/http_sse/_models.py b/seed/python-sdk/public-object/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/public-object/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi-as-objects/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/query-parameters-openapi/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/query-parameters/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/request-parameters/src/seed/core/http_sse/__init__.py b/seed/python-sdk/request-parameters/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/request-parameters/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/request-parameters/src/seed/core/http_sse/_api.py b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/request-parameters/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/request-parameters/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/request-parameters/src/seed/core/http_sse/_models.py b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/request-parameters/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/required-nullable/src/seed/core/http_sse/__init__.py b/seed/python-sdk/required-nullable/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/required-nullable/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/required-nullable/src/seed/core/http_sse/_api.py b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/required-nullable/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/required-nullable/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/required-nullable/src/seed/core/http_sse/_models.py b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/required-nullable/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/__init__.py b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_api.py b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_models.py b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/reserved-keywords/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/response-property/src/seed/core/http_sse/__init__.py b/seed/python-sdk/response-property/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/response-property/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/response-property/src/seed/core/http_sse/_api.py b/seed/python-sdk/response-property/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/response-property/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/response-property/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/response-property/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/response-property/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/response-property/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/response-property/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/response-property/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/response-property/src/seed/core/http_sse/_models.py b/seed/python-sdk/response-property/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/response-property/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/server-sent-event-examples/.fernignore b/seed/python-sdk/server-sent-event-examples/.fernignore new file mode 100644 index 000000000000..dabaea27c2b2 --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/.fernignore @@ -0,0 +1 @@ +tests/utils/test_sse_streaming.py \ No newline at end of file diff --git a/seed/python-sdk/server-sent-event-examples/poetry.lock b/seed/python-sdk/server-sent-event-examples/poetry.lock index ecea5741bc4f..9a8863cf3037 100644 --- a/seed/python-sdk/server-sent-event-examples/poetry.lock +++ b/seed/python-sdk/server-sent-event-examples/poetry.lock @@ -131,17 +131,6 @@ http2 = ["h2 (>=3,<5)"] socks = ["socksio (==1.*)"] zstd = ["zstandard (>=0.18.0)"] -[[package]] -name = "httpx-sse" -version = "0.4.0" -description = "Consume Server-Sent Event (SSE) messages with HTTPX." -optional = false -python-versions = ">=3.8" -files = [ - {file = "httpx-sse-0.4.0.tar.gz", hash = "sha256:1e81a3a3070ce322add1d3529ed42eb5f70817f45ed6ec915ab753f961139721"}, - {file = "httpx_sse-0.4.0-py3-none-any.whl", hash = "sha256:f329af6eae57eaa2bdfd962b42524764af68075ea87370a2de920af5341e318f"}, -] - [[package]] name = "idna" version = "3.10" @@ -558,4 +547,4 @@ files = [ [metadata] lock-version = "2.0" python-versions = "^3.8" -content-hash = "3c4bf0b75d27d2ce3738ca3d6b64dfb03909c56fb8e280a98890abd4619134d8" +content-hash = "8551b871abee465e23fb0966d51f2c155fd257b55bdcb0c02d095de19f92f358" diff --git a/seed/python-sdk/server-sent-event-examples/pyproject.toml b/seed/python-sdk/server-sent-event-examples/pyproject.toml index ccdc8f8d209e..a9cd615e5c70 100644 --- a/seed/python-sdk/server-sent-event-examples/pyproject.toml +++ b/seed/python-sdk/server-sent-event-examples/pyproject.toml @@ -36,7 +36,6 @@ Repository = 'https://github.com/server-sent-event-examples/fern' [tool.poetry.dependencies] python = "^3.8" httpx = ">=0.21.2" -httpx-sse = "0.4.0" pydantic = ">= 1.9.2" pydantic-core = ">=2.18.2" typing_extensions = ">= 4.0.0" diff --git a/seed/python-sdk/server-sent-event-examples/requirements.txt b/seed/python-sdk/server-sent-event-examples/requirements.txt index f129cb371700..e80f640a2e74 100644 --- a/seed/python-sdk/server-sent-event-examples/requirements.txt +++ b/seed/python-sdk/server-sent-event-examples/requirements.txt @@ -1,5 +1,4 @@ httpx>=0.21.2 -httpx-sse==0.4.0 pydantic>= 1.9.2 pydantic-core>=2.18.2 typing_extensions>= 4.0.0 diff --git a/seed/python-sdk/server-sent-event-examples/src/seed/completions/raw_client.py b/seed/python-sdk/server-sent-event-examples/src/seed/completions/raw_client.py index 86e40a2713bd..e67598ab8e2c 100644 --- a/seed/python-sdk/server-sent-event-examples/src/seed/completions/raw_client.py +++ b/seed/python-sdk/server-sent-event-examples/src/seed/completions/raw_client.py @@ -1,14 +1,14 @@ # This file was auto-generated by Fern from our API Definition. import contextlib -import json import typing from json.decoder import JSONDecodeError +from logging import error, warning -import httpx_sse from ..core.api_error import ApiError from ..core.client_wrapper import AsyncClientWrapper, SyncClientWrapper from ..core.http_response import AsyncHttpResponse, HttpResponse +from ..core.http_sse._api import EventSource from ..core.pydantic_utilities import parse_obj_as from ..core.request_options import RequestOptions from .types.streamed_completion import StreamedCompletion @@ -52,20 +52,28 @@ def _stream() -> HttpResponse[typing.Iterator[StreamedCompletion]]: if 200 <= _response.status_code < 300: def _iter(): - _event_source = httpx_sse.EventSource(_response) + _event_source = EventSource(_response) for _sse in _event_source.iter_sse(): - if _sse.data == [[DONE]]: + if _sse.data == "[[DONE]]": return try: yield typing.cast( StreamedCompletion, parse_obj_as( type_=StreamedCompletion, # type: ignore - object_=json.loads(_sse.data), + object_=_sse.json(), ), ) - except Exception: - pass + except JSONDecodeError as e: + warning(f"Skipping SSE event with invalid JSON: {e}, sse: {_sse!r}") + except (TypeError, ValueError, KeyError, AttributeError) as e: + warning( + f"Skipping SSE event due to model construction error: {type(e).__name__}: {e}, sse: {_sse!r}" + ) + except Exception as e: + error( + f"Unexpected error processing SSE event: {type(e).__name__}: {e}, sse: {_sse!r}" + ) return return HttpResponse(response=_response, data=_iter()) @@ -115,20 +123,28 @@ async def _stream() -> AsyncHttpResponse[typing.AsyncIterator[StreamedCompletion if 200 <= _response.status_code < 300: async def _iter(): - _event_source = httpx_sse.EventSource(_response) + _event_source = EventSource(_response) async for _sse in _event_source.aiter_sse(): - if _sse.data == [[DONE]]: + if _sse.data == "[[DONE]]": return try: yield typing.cast( StreamedCompletion, parse_obj_as( type_=StreamedCompletion, # type: ignore - object_=json.loads(_sse.data), + object_=_sse.json(), ), ) - except Exception: - pass + except JSONDecodeError as e: + warning(f"Skipping SSE event with invalid JSON: {e}, sse: {_sse!r}") + except (TypeError, ValueError, KeyError, AttributeError) as e: + warning( + f"Skipping SSE event due to model construction error: {type(e).__name__}: {e}, sse: {_sse!r}" + ) + except Exception as e: + error( + f"Unexpected error processing SSE event: {type(e).__name__}: {e}, sse: {_sse!r}" + ) return return AsyncHttpResponse(response=_response, data=_iter()) diff --git a/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/__init__.py b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_api.py b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_models.py b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/server-sent-event-examples/tests/utils/test_sse_streaming.py b/seed/python-sdk/server-sent-event-examples/tests/utils/test_sse_streaming.py new file mode 100644 index 000000000000..695a33e473f0 --- /dev/null +++ b/seed/python-sdk/server-sent-event-examples/tests/utils/test_sse_streaming.py @@ -0,0 +1,765 @@ +# This file was auto-generated by Fern from our API Definition. + +import logging +from unittest.mock import AsyncMock, Mock, patch +import pytest +from json.decoder import JSONDecodeError +from seed.completions.raw_client import AsyncRawCompletionsClient, RawCompletionsClient + + +class TestSSEStreamingLogic: + """Test the SSE streaming logic in raw_client.py.""" + + def test_stream_sync_success(self): + """Test successful sync streaming.""" + # Mock response + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE events + mock_sse1 = Mock() + mock_sse1.data = '{"delta": "hello", "tokens": 1}' + mock_sse1.json.return_value = {"delta": "hello", "tokens": 1} + + mock_sse2 = Mock() + mock_sse2.data = "[[DONE]]" + + # Mock EventSource + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse1, mock_sse2] + mock_event_source_class.return_value = mock_event_source + + # Mock client wrapper with proper context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with client.stream(query="test") as response: + assert response._response == mock_response + completions = list(response.data) + assert len(completions) == 1 + assert completions[0].delta == "hello" + assert completions[0].tokens == 1 + + def test_stream_sync_json_decode_error(self, caplog): + """Test sync streaming with JSON decode error.""" + # Mock response + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE event with invalid JSON + mock_sse = Mock() + mock_sse.data = "invalid json" + mock_sse.json.side_effect = JSONDecodeError("msg", "doc", 0) + + # Mock EventSource + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + # Mock client wrapper with proper context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + assert "Skipping SSE event with invalid JSON" in caplog.text + + def test_stream_sync_model_construction_error(self, caplog): + """Test sync streaming with model construction error.""" + # Mock response + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE event with valid JSON but invalid model data + mock_sse = Mock() + mock_sse.data = '{"invalid": "data"}' + mock_sse.json.return_value = {"invalid": "data"} + + # Mock EventSource + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + # Mock client wrapper with proper context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + assert "Skipping SSE event due to model construction error" in caplog.text + + def test_stream_sync_unexpected_error(self, caplog): + """Test sync streaming with unexpected error.""" + # Mock response + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE event that raises unexpected error + mock_sse = Mock() + mock_sse.data = '{"delta": "hello"}' + mock_sse.json.side_effect = RuntimeError("Unexpected error") + + # Mock EventSource + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + # Mock client wrapper with proper context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.ERROR): + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + assert "Unexpected error processing SSE event" in caplog.text + + @pytest.mark.asyncio + async def test_stream_async_success(self): + """Test successful async streaming.""" + # Mock response + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE events + mock_sse1 = Mock() + mock_sse1.data = '{"delta": "hello", "tokens": 1}' + mock_sse1.json.return_value = {"delta": "hello", "tokens": 1} + + mock_sse2 = Mock() + mock_sse2.data = "[[DONE]]" + + # Mock EventSource + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + + async def mock_aiter_sse(): + yield mock_sse1 + yield mock_sse2 + + mock_event_source.aiter_sse.return_value = mock_aiter_sse() + mock_event_source_class.return_value = mock_event_source + + # Mock client wrapper with proper async context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__aenter__ = AsyncMock(return_value=mock_response) + mock_stream_context.__aexit__ = AsyncMock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = AsyncRawCompletionsClient(client_wrapper=mock_client_wrapper) + + async with client.stream(query="test") as response: + assert response._response == mock_response + completions = [] + async for completion in response.data: + completions.append(completion) + assert len(completions) == 1 + assert completions[0].delta == "hello" + assert completions[0].tokens == 1 + + @pytest.mark.asyncio + async def test_stream_async_json_decode_error(self, caplog): + """Test async streaming with JSON decode error.""" + # Mock response + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE event with invalid JSON + mock_sse = Mock() + mock_sse.data = "invalid json" + mock_sse.json.side_effect = JSONDecodeError("msg", "doc", 0) + + # Mock EventSource + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + + async def mock_aiter_sse(): + yield mock_sse + + mock_event_source.aiter_sse.return_value = mock_aiter_sse() + mock_event_source_class.return_value = mock_event_source + + # Mock client wrapper with proper async context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__aenter__ = AsyncMock(return_value=mock_response) + mock_stream_context.__aexit__ = AsyncMock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = AsyncRawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + async with client.stream(query="test") as response: + completions = [] + async for completion in response.data: + completions.append(completion) + assert len(completions) == 0 + assert "Skipping SSE event with invalid JSON" in caplog.text + + def test_stream_sync_error_response(self): + """Test sync streaming with error response.""" + # Mock response with error status + mock_response = Mock() + mock_response.status_code = 400 + mock_response.headers = {"content-type": "application/json"} + mock_response.json.return_value = {"error": "Bad request"} + + # Mock client wrapper with proper context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with pytest.raises(Exception): # Should raise ApiError + with client.stream(query="test") as response: + pass + + @pytest.mark.asyncio + async def test_stream_async_error_response(self): + """Test async streaming with error response.""" + # Mock response with error status + mock_response = Mock() + mock_response.status_code = 400 + mock_response.headers = {"content-type": "application/json"} + mock_response.json.return_value = {"error": "Bad request"} + + # Mock client wrapper with proper async context manager + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__aenter__ = AsyncMock(return_value=mock_response) + mock_stream_context.__aexit__ = AsyncMock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = AsyncRawCompletionsClient(client_wrapper=mock_client_wrapper) + + with pytest.raises(Exception): # Should raise ApiError + async with client.stream(query="test") as response: + pass + + def test_stream_empty_sse_events(self): + """Test handling of empty SSE events.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock empty SSE event + mock_sse = Mock() + mock_sse.data = "" + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + + def test_stream_multiple_done_markers(self): + """Test handling of multiple [[DONE]] markers.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE events with multiple DONE markers + mock_sse1 = Mock() + mock_sse1.data = '{"delta": "hello"}' + mock_sse1.json.return_value = {"delta": "hello"} + + mock_sse2 = Mock() + mock_sse2.data = "[[DONE]]" + + mock_sse3 = Mock() + mock_sse3.data = "[[DONE]]" + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse1, mock_sse2, mock_sse3] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 1 + assert completions[0].delta == "hello" + + def test_stream_immediate_done(self): + """Test stream that immediately ends with [[DONE]].""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + mock_sse = Mock() + mock_sse.data = "[[DONE]]" + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + + def test_stream_mixed_valid_invalid_events(self, caplog): + """Test stream with both valid and invalid events.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mix of valid and invalid events + mock_sse1 = Mock() + mock_sse1.data = '{"delta": "hello", "tokens": 1}' + mock_sse1.json.return_value = {"delta": "hello", "tokens": 1} + + mock_sse2 = Mock() + mock_sse2.data = "invalid json" + mock_sse2.json.side_effect = JSONDecodeError("msg", "doc", 0) + + mock_sse3 = Mock() + mock_sse3.data = '{"delta": "world", "tokens": 2}' + mock_sse3.json.return_value = {"delta": "world", "tokens": 2} + + mock_sse4 = Mock() + mock_sse4.data = "[[DONE]]" + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse1, mock_sse2, mock_sse3, mock_sse4] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 2 + assert completions[0].delta == "hello" + assert completions[0].tokens == 1 + assert completions[1].delta == "world" + assert completions[1].tokens == 2 + assert "Skipping SSE event with invalid JSON" in caplog.text + + def test_stream_missing_required_fields(self, caplog): + """Test handling of SSE events missing required fields.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # SSE event missing required 'delta' field + mock_sse = Mock() + mock_sse.data = '{"tokens": 1}' + mock_sse.json.return_value = {"tokens": 1} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + assert "Skipping SSE event due to model construction error" in caplog.text + + def test_stream_invalid_tokens_type(self, caplog): + """Test handling of invalid tokens field type.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # SSE event with invalid tokens type + mock_sse = Mock() + mock_sse.data = '{"delta": "hello", "tokens": "not_a_number"}' + mock_sse.json.return_value = {"delta": "hello", "tokens": "not_a_number"} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 0 + assert "Skipping SSE event due to model construction error" in caplog.text + + def test_stream_unicode_data(self): + """Test handling of Unicode characters in SSE data.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # SSE event with Unicode characters + mock_sse = Mock() + mock_sse.data = '{"delta": "Hello 世界", "tokens": 1}' + mock_sse.json.return_value = {"delta": "Hello 世界", "tokens": 1} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 1 + assert completions[0].delta == "Hello 世界" + assert completions[0].tokens == 1 + + def test_stream_299_status_code(self): + """Test handling of 299 status code (upper bound of success range).""" + mock_response = Mock() + mock_response.status_code = 299 + mock_response.headers = {"content-type": "text/event-stream"} + + mock_sse = Mock() + mock_sse.data = '{"delta": "hello"}' + mock_sse.json.return_value = {"delta": "hello"} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with client.stream(query="test") as response: + completions = list(response.data) + assert len(completions) == 1 + assert completions[0].delta == "hello" + + def test_stream_500_error_response(self): + """Test handling of 500 error response.""" + mock_response = Mock() + mock_response.status_code = 500 + mock_response.headers = {"content-type": "application/json"} + mock_response.json.return_value = {"error": "Internal server error"} + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with pytest.raises(Exception): # Should raise ApiError + with client.stream(query="test") as response: + pass + + def test_stream_non_json_error_response(self): + """Test handling of non-JSON error response.""" + mock_response = Mock() + mock_response.status_code = 400 + mock_response.headers = {"content-type": "text/plain"} + mock_response.text = "Bad Request" + mock_response.json.side_effect = JSONDecodeError("msg", "doc", 0) + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + with pytest.raises(Exception): # Should raise ApiError + with client.stream(query="test") as response: + pass + + def test_stream_with_request_options(self): + """Test that request_options are properly passed through.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + mock_sse = Mock() + mock_sse.data = '{"delta": "hello"}' + mock_sse.json.return_value = {"delta": "hello"} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + # Create mock request options + from seed.core.request_options import RequestOptions + request_options = RequestOptions() + + with client.stream(query="test", request_options=request_options) as response: + # Verify that request_options was passed to httpx_client.stream + mock_client_wrapper.httpx_client.stream.assert_called_once() + call_args = mock_client_wrapper.httpx_client.stream.call_args + assert call_args[1]["request_options"] == request_options + + def test_stream_context_manager_cleanup(self): + """Test that context manager properly cleans up on exception.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mock SSE event that will cause an exception during processing + mock_sse = Mock() + mock_sse.data = '{"delta": "hello"}' + mock_sse.json.side_effect = RuntimeError("Test exception during JSON parsing") + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + mock_event_source.iter_sse.return_value = [mock_sse] + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__enter__ = Mock(return_value=mock_response) + mock_stream_context.__exit__ = Mock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = RawCompletionsClient(client_wrapper=mock_client_wrapper) + + # Test that context manager is properly entered and exited even with exceptions + with client.stream(query="test") as response: + # The exception should be caught and logged, but context manager should still work + completions = list(response.data) + assert len(completions) == 0 # No completions due to exception + + # Verify that __exit__ was called + mock_stream_context.__exit__.assert_called_once() + + @pytest.mark.asyncio + async def test_stream_async_early_exit(self): + """Test async stream with early exit from iteration.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + mock_sse1 = Mock() + mock_sse1.data = '{"delta": "hello"}' + mock_sse1.json.return_value = {"delta": "hello"} + + mock_sse2 = Mock() + mock_sse2.data = '{"delta": "world"}' + mock_sse2.json.return_value = {"delta": "world"} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + + async def mock_aiter_sse(): + yield mock_sse1 + yield mock_sse2 + + mock_event_source.aiter_sse.return_value = mock_aiter_sse() + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__aenter__ = AsyncMock(return_value=mock_response) + mock_stream_context.__aexit__ = AsyncMock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = AsyncRawCompletionsClient(client_wrapper=mock_client_wrapper) + + async with client.stream(query="test") as response: + completions = [] + async for completion in response.data: + completions.append(completion) + break # Early exit after first completion + + assert len(completions) == 1 + assert completions[0].delta == "hello" + + @pytest.mark.asyncio + async def test_stream_async_mixed_valid_invalid_events(self, caplog): + """Test async stream with both valid and invalid events.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # Mix of valid and invalid events + mock_sse1 = Mock() + mock_sse1.data = '{"delta": "hello", "tokens": 1}' + mock_sse1.json.return_value = {"delta": "hello", "tokens": 1} + + mock_sse2 = Mock() + mock_sse2.data = "invalid json" + mock_sse2.json.side_effect = JSONDecodeError("msg", "doc", 0) + + mock_sse3 = Mock() + mock_sse3.data = '{"delta": "world", "tokens": 2}' + mock_sse3.json.return_value = {"delta": "world", "tokens": 2} + + mock_sse4 = Mock() + mock_sse4.data = "[[DONE]]" + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + + async def mock_aiter_sse(): + yield mock_sse1 + yield mock_sse2 + yield mock_sse3 + yield mock_sse4 + + mock_event_source.aiter_sse.return_value = mock_aiter_sse() + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__aenter__ = AsyncMock(return_value=mock_response) + mock_stream_context.__aexit__ = AsyncMock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = AsyncRawCompletionsClient(client_wrapper=mock_client_wrapper) + + with caplog.at_level(logging.WARNING): + async with client.stream(query="test") as response: + completions = [] + async for completion in response.data: + completions.append(completion) + assert len(completions) == 2 + assert completions[0].delta == "hello" + assert completions[0].tokens == 1 + assert completions[1].delta == "world" + assert completions[1].tokens == 2 + assert "Skipping SSE event with invalid JSON" in caplog.text + + @pytest.mark.asyncio + async def test_stream_async_unicode_data(self): + """Test async stream with Unicode characters.""" + mock_response = Mock() + mock_response.status_code = 200 + mock_response.headers = {"content-type": "text/event-stream"} + + # SSE event with Unicode characters + mock_sse = Mock() + mock_sse.data = '{"delta": "Hello 世界", "tokens": 1}' + mock_sse.json.return_value = {"delta": "Hello 世界", "tokens": 1} + + with patch('seed.completions.raw_client.EventSource') as mock_event_source_class: + mock_event_source = Mock() + + async def mock_aiter_sse(): + yield mock_sse + + mock_event_source.aiter_sse.return_value = mock_aiter_sse() + mock_event_source_class.return_value = mock_event_source + + mock_client_wrapper = Mock() + mock_stream_context = Mock() + mock_stream_context.__aenter__ = AsyncMock(return_value=mock_response) + mock_stream_context.__aexit__ = AsyncMock(return_value=None) + mock_client_wrapper.httpx_client.stream.return_value = mock_stream_context + + client = AsyncRawCompletionsClient(client_wrapper=mock_client_wrapper) + + async with client.stream(query="test") as response: + completions = [] + async for completion in response.data: + completions.append(completion) + assert len(completions) == 1 + assert completions[0].delta == "Hello 世界" + assert completions[0].tokens == 1 diff --git a/seed/python-sdk/server-sent-events/poetry.lock b/seed/python-sdk/server-sent-events/poetry.lock index ecea5741bc4f..9a8863cf3037 100644 --- a/seed/python-sdk/server-sent-events/poetry.lock +++ b/seed/python-sdk/server-sent-events/poetry.lock @@ -131,17 +131,6 @@ http2 = ["h2 (>=3,<5)"] socks = ["socksio (==1.*)"] zstd = ["zstandard (>=0.18.0)"] -[[package]] -name = "httpx-sse" -version = "0.4.0" -description = "Consume Server-Sent Event (SSE) messages with HTTPX." -optional = false -python-versions = ">=3.8" -files = [ - {file = "httpx-sse-0.4.0.tar.gz", hash = "sha256:1e81a3a3070ce322add1d3529ed42eb5f70817f45ed6ec915ab753f961139721"}, - {file = "httpx_sse-0.4.0-py3-none-any.whl", hash = "sha256:f329af6eae57eaa2bdfd962b42524764af68075ea87370a2de920af5341e318f"}, -] - [[package]] name = "idna" version = "3.10" @@ -558,4 +547,4 @@ files = [ [metadata] lock-version = "2.0" python-versions = "^3.8" -content-hash = "3c4bf0b75d27d2ce3738ca3d6b64dfb03909c56fb8e280a98890abd4619134d8" +content-hash = "8551b871abee465e23fb0966d51f2c155fd257b55bdcb0c02d095de19f92f358" diff --git a/seed/python-sdk/server-sent-events/pyproject.toml b/seed/python-sdk/server-sent-events/pyproject.toml index 455fb3f8e11c..536a4440ed01 100644 --- a/seed/python-sdk/server-sent-events/pyproject.toml +++ b/seed/python-sdk/server-sent-events/pyproject.toml @@ -36,7 +36,6 @@ Repository = 'https://github.com/server-sent-events/fern' [tool.poetry.dependencies] python = "^3.8" httpx = ">=0.21.2" -httpx-sse = "0.4.0" pydantic = ">= 1.9.2" pydantic-core = ">=2.18.2" typing_extensions = ">= 4.0.0" diff --git a/seed/python-sdk/server-sent-events/requirements.txt b/seed/python-sdk/server-sent-events/requirements.txt index f129cb371700..e80f640a2e74 100644 --- a/seed/python-sdk/server-sent-events/requirements.txt +++ b/seed/python-sdk/server-sent-events/requirements.txt @@ -1,5 +1,4 @@ httpx>=0.21.2 -httpx-sse==0.4.0 pydantic>= 1.9.2 pydantic-core>=2.18.2 typing_extensions>= 4.0.0 diff --git a/seed/python-sdk/server-sent-events/src/seed/completions/raw_client.py b/seed/python-sdk/server-sent-events/src/seed/completions/raw_client.py index 86e40a2713bd..e67598ab8e2c 100644 --- a/seed/python-sdk/server-sent-events/src/seed/completions/raw_client.py +++ b/seed/python-sdk/server-sent-events/src/seed/completions/raw_client.py @@ -1,14 +1,14 @@ # This file was auto-generated by Fern from our API Definition. import contextlib -import json import typing from json.decoder import JSONDecodeError +from logging import error, warning -import httpx_sse from ..core.api_error import ApiError from ..core.client_wrapper import AsyncClientWrapper, SyncClientWrapper from ..core.http_response import AsyncHttpResponse, HttpResponse +from ..core.http_sse._api import EventSource from ..core.pydantic_utilities import parse_obj_as from ..core.request_options import RequestOptions from .types.streamed_completion import StreamedCompletion @@ -52,20 +52,28 @@ def _stream() -> HttpResponse[typing.Iterator[StreamedCompletion]]: if 200 <= _response.status_code < 300: def _iter(): - _event_source = httpx_sse.EventSource(_response) + _event_source = EventSource(_response) for _sse in _event_source.iter_sse(): - if _sse.data == [[DONE]]: + if _sse.data == "[[DONE]]": return try: yield typing.cast( StreamedCompletion, parse_obj_as( type_=StreamedCompletion, # type: ignore - object_=json.loads(_sse.data), + object_=_sse.json(), ), ) - except Exception: - pass + except JSONDecodeError as e: + warning(f"Skipping SSE event with invalid JSON: {e}, sse: {_sse!r}") + except (TypeError, ValueError, KeyError, AttributeError) as e: + warning( + f"Skipping SSE event due to model construction error: {type(e).__name__}: {e}, sse: {_sse!r}" + ) + except Exception as e: + error( + f"Unexpected error processing SSE event: {type(e).__name__}: {e}, sse: {_sse!r}" + ) return return HttpResponse(response=_response, data=_iter()) @@ -115,20 +123,28 @@ async def _stream() -> AsyncHttpResponse[typing.AsyncIterator[StreamedCompletion if 200 <= _response.status_code < 300: async def _iter(): - _event_source = httpx_sse.EventSource(_response) + _event_source = EventSource(_response) async for _sse in _event_source.aiter_sse(): - if _sse.data == [[DONE]]: + if _sse.data == "[[DONE]]": return try: yield typing.cast( StreamedCompletion, parse_obj_as( type_=StreamedCompletion, # type: ignore - object_=json.loads(_sse.data), + object_=_sse.json(), ), ) - except Exception: - pass + except JSONDecodeError as e: + warning(f"Skipping SSE event with invalid JSON: {e}, sse: {_sse!r}") + except (TypeError, ValueError, KeyError, AttributeError) as e: + warning( + f"Skipping SSE event due to model construction error: {type(e).__name__}: {e}, sse: {_sse!r}" + ) + except Exception as e: + error( + f"Unexpected error processing SSE event: {type(e).__name__}: {e}, sse: {_sse!r}" + ) return return AsyncHttpResponse(response=_response, data=_iter()) diff --git a/seed/python-sdk/server-sent-events/src/seed/core/http_sse/__init__.py b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_api.py b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_models.py b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/server-sent-events/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/simple-api/src/seed/core/http_sse/__init__.py b/seed/python-sdk/simple-api/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/simple-api/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/simple-api/src/seed/core/http_sse/_api.py b/seed/python-sdk/simple-api/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/simple-api/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/simple-api/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/simple-api/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/simple-api/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/simple-api/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/simple-api/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/simple-api/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/simple-api/src/seed/core/http_sse/_models.py b/seed/python-sdk/simple-api/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/simple-api/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/simple-fhir/no-inheritance-for-extended-models/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/__init__.py b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_api.py b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_models.py b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/single-url-environment-default/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/__init__.py b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_api.py b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_models.py b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/single-url-environment-no-default/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/__init__.py b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_api.py b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_models.py b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/streaming-parameter/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/streaming/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/__init__.py b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_api.py b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_models.py b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/streaming/skip-pydantic-validation/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/trace/src/seed/core/http_sse/__init__.py b/seed/python-sdk/trace/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/trace/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/trace/src/seed/core/http_sse/_api.py b/seed/python-sdk/trace/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/trace/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/trace/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/trace/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/trace/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/trace/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/trace/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/trace/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/trace/src/seed/core/http_sse/_models.py b/seed/python-sdk/trace/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/trace/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/__init__.py b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_api.py b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_models.py b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/undiscriminated-unions/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/unions/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/__init__.py b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_api.py b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_models.py b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/unions/union-naming-v1/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/__init__.py b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_api.py b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_models.py b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/unions/union-utils/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/unknown/src/seed/core/http_sse/__init__.py b/seed/python-sdk/unknown/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/unknown/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/unknown/src/seed/core/http_sse/_api.py b/seed/python-sdk/unknown/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/unknown/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/unknown/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/unknown/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/unknown/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/unknown/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/unknown/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/unknown/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/unknown/src/seed/core/http_sse/_models.py b/seed/python-sdk/unknown/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/unknown/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/__init__.py b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_api.py b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_models.py b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/validation/no-custom-config/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/__init__.py b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_api.py b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_models.py b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/validation/with-defaults/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/variables/src/seed/core/http_sse/__init__.py b/seed/python-sdk/variables/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/variables/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/variables/src/seed/core/http_sse/_api.py b/seed/python-sdk/variables/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/variables/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/variables/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/variables/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/variables/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/variables/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/variables/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/variables/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/variables/src/seed/core/http_sse/_models.py b/seed/python-sdk/variables/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/variables/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/version-no-default/src/seed/core/http_sse/__init__.py b/seed/python-sdk/version-no-default/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/version-no-default/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/version-no-default/src/seed/core/http_sse/_api.py b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/version-no-default/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/version-no-default/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/version-no-default/src/seed/core/http_sse/_models.py b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/version-no-default/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/version/src/seed/core/http_sse/__init__.py b/seed/python-sdk/version/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/version/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/version/src/seed/core/http_sse/_api.py b/seed/python-sdk/version/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/version/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/version/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/version/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/version/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/version/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/version/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/version/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/version/src/seed/core/http_sse/_models.py b/seed/python-sdk/version/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/version/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/__init__.py b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_api.py b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_models.py b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/websocket-bearer-auth/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/__init__.py b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_api.py b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_models.py b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/websocket-inferred-auth/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/__init__.py b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_api.py b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_models.py b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/websocket/websocket-base/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data) diff --git a/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/__init__.py b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/__init__.py new file mode 100644 index 000000000000..730e5a3382eb --- /dev/null +++ b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/__init__.py @@ -0,0 +1,42 @@ +# This file was auto-generated by Fern from our API Definition. + +# isort: skip_file + +import typing +from importlib import import_module + +if typing.TYPE_CHECKING: + from ._api import EventSource, aconnect_sse, connect_sse + from ._exceptions import SSEError + from ._models import ServerSentEvent +_dynamic_imports: typing.Dict[str, str] = { + "EventSource": "._api", + "SSEError": "._exceptions", + "ServerSentEvent": "._models", + "aconnect_sse": "._api", + "connect_sse": "._api", +} + + +def __getattr__(attr_name: str) -> typing.Any: + module_name = _dynamic_imports.get(attr_name) + if module_name is None: + raise AttributeError(f"No {attr_name} found in _dynamic_imports for module name -> {__name__}") + try: + module = import_module(module_name, __package__) + if module_name == f".{attr_name}": + return module + else: + return getattr(module, attr_name) + except ImportError as e: + raise ImportError(f"Failed to import {attr_name} from {module_name}: {e}") from e + except AttributeError as e: + raise AttributeError(f"Failed to get {attr_name} from {module_name}: {e}") from e + + +def __dir__(): + lazy_attrs = list(_dynamic_imports.keys()) + return sorted(lazy_attrs) + + +__all__ = ["EventSource", "SSEError", "ServerSentEvent", "aconnect_sse", "connect_sse"] diff --git a/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_api.py b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_api.py new file mode 100644 index 000000000000..f900b3b686de --- /dev/null +++ b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_api.py @@ -0,0 +1,112 @@ +# This file was auto-generated by Fern from our API Definition. + +import re +from contextlib import asynccontextmanager, contextmanager +from typing import Any, AsyncGenerator, AsyncIterator, Iterator, cast + +import httpx +from ._decoders import SSEDecoder +from ._exceptions import SSEError +from ._models import ServerSentEvent + + +class EventSource: + def __init__(self, response: httpx.Response) -> None: + self._response = response + + def _check_content_type(self) -> None: + content_type = self._response.headers.get("content-type", "").partition(";")[0] + if "text/event-stream" not in content_type: + raise SSEError( + f"Expected response header Content-Type to contain 'text/event-stream', got {content_type!r}" + ) + + def _get_charset(self) -> str: + """Extract charset from Content-Type header, fallback to UTF-8.""" + content_type = self._response.headers.get("content-type", "") + + # Parse charset parameter using regex + charset_match = re.search(r"charset=([^;\s]+)", content_type, re.IGNORECASE) + if charset_match: + charset = charset_match.group(1).strip("\"'") + # Validate that it's a known encoding + try: + # Test if the charset is valid by trying to encode/decode + "test".encode(charset).decode(charset) + return charset + except (LookupError, UnicodeError): + # If charset is invalid, fall back to UTF-8 + pass + + # Default to UTF-8 if no charset specified or invalid charset + return "utf-8" + + @property + def response(self) -> httpx.Response: + return self._response + + def iter_sse(self) -> Iterator[ServerSentEvent]: + self._check_content_type() + decoder = SSEDecoder() + charset = self._get_charset() + + buffer = "" + for chunk in self._response.iter_bytes(): + # Decode chunk using detected charset + text_chunk = chunk.decode(charset, errors="replace") + buffer += text_chunk + + # Process complete lines + while "\n" in buffer: + line, buffer = buffer.split("\n", 1) + line = line.rstrip("\r") + sse = decoder.decode(line) + # when we reach a "\n\n" => line = '' + # => decoder will attempt to return an SSE Event + if sse is not None: + yield sse + + # Process any remaining data in buffer + if buffer.strip(): + line = buffer.rstrip("\r") + sse = decoder.decode(line) + if sse is not None: + yield sse + + async def aiter_sse(self) -> AsyncGenerator[ServerSentEvent, None]: + self._check_content_type() + decoder = SSEDecoder() + lines = cast(AsyncGenerator[str, None], self._response.aiter_lines()) + try: + async for line in lines: + line = line.rstrip("\n") + sse = decoder.decode(line) + if sse is not None: + yield sse + finally: + await lines.aclose() + + +@contextmanager +def connect_sse(client: httpx.Client, method: str, url: str, **kwargs: Any) -> Iterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) + + +@asynccontextmanager +async def aconnect_sse( + client: httpx.AsyncClient, + method: str, + url: str, + **kwargs: Any, +) -> AsyncIterator[EventSource]: + headers = kwargs.pop("headers", {}) + headers["Accept"] = "text/event-stream" + headers["Cache-Control"] = "no-store" + + async with client.stream(method, url, headers=headers, **kwargs) as response: + yield EventSource(response) diff --git a/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_decoders.py b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_decoders.py new file mode 100644 index 000000000000..339b08901381 --- /dev/null +++ b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_decoders.py @@ -0,0 +1,61 @@ +# This file was auto-generated by Fern from our API Definition. + +from typing import List, Optional + +from ._models import ServerSentEvent + + +class SSEDecoder: + def __init__(self) -> None: + self._event = "" + self._data: List[str] = [] + self._last_event_id = "" + self._retry: Optional[int] = None + + def decode(self, line: str) -> Optional[ServerSentEvent]: + # See: https://html.spec.whatwg.org/multipage/server-sent-events.html#event-stream-interpretation # noqa: E501 + + if not line: + if not self._event and not self._data and not self._last_event_id and self._retry is None: + return None + + sse = ServerSentEvent( + event=self._event, + data="\n".join(self._data), + id=self._last_event_id, + retry=self._retry, + ) + + # NOTE: as per the SSE spec, do not reset last_event_id. + self._event = "" + self._data = [] + self._retry = None + + return sse + + if line.startswith(":"): + return None + + fieldname, _, value = line.partition(":") + + if value.startswith(" "): + value = value[1:] + + if fieldname == "event": + self._event = value + elif fieldname == "data": + self._data.append(value) + elif fieldname == "id": + if "\0" in value: + pass + else: + self._last_event_id = value + elif fieldname == "retry": + try: + self._retry = int(value) + except (TypeError, ValueError): + pass + else: + pass # Field is ignored. + + return None diff --git a/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_exceptions.py b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_exceptions.py new file mode 100644 index 000000000000..81605a8a65ed --- /dev/null +++ b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_exceptions.py @@ -0,0 +1,7 @@ +# This file was auto-generated by Fern from our API Definition. + +import httpx + + +class SSEError(httpx.TransportError): + pass diff --git a/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_models.py b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_models.py new file mode 100644 index 000000000000..1af57f8fd0d2 --- /dev/null +++ b/seed/python-sdk/websocket/websocket-with_generated_clients/src/seed/core/http_sse/_models.py @@ -0,0 +1,17 @@ +# This file was auto-generated by Fern from our API Definition. + +import json +from dataclasses import dataclass +from typing import Any, Optional + + +@dataclass(frozen=True) +class ServerSentEvent: + event: str = "message" + data: str = "" + id: str = "" + retry: Optional[int] = None + + def json(self) -> Any: + """Parse the data field as JSON.""" + return json.loads(self.data)