Updated GroupDocs.Conversion to 26.5

Author: vladimir-litvinchik

Dockerfile

@@ -3,11 +3,25 @@ FROM python:3.13-slim
 # System dependencies required by the .NET runtime:
 # - libicu-dev: ICU for .NET globalization
 # - libgdiplus: GDI+ for System.Drawing (image conversions)
-# - ttf-mscorefonts-installer: Microsoft core fonts (Arial etc.) for watermarks
-RUN apt-get update -qq \
-    && echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | debconf-set-selections \
-    && apt-get install -y --no-install-recommends libicu-dev libgdiplus ttf-mscorefonts-installer \
-    && rm -rf /var/lib/apt/lists/*
+# - fontconfig + fonts-liberation: font cache tooling plus metric-compatible
+#   substitutes for Arial/Times/Courier
+# - ttf-mscorefonts-installer: the actual Microsoft core fonts (Arial etc.),
+#   which the conversion engine looks up by name for watermarks and text
+#   rendering. It lives in Debian "contrib" (not enabled on the slim base
+#   image), so that component is enabled first; the debconf line pre-accepts
+#   its EULA and wget is needed for its font download.
+RUN set -eux; \
+    if [ -f /etc/apt/sources.list.d/debian.sources ]; then \
+        sed -i 's/^Components: main$/Components: main contrib/' /etc/apt/sources.list.d/debian.sources; \
+    else \
+        sed -i 's/ main$/ main contrib/' /etc/apt/sources.list; \
+    fi; \
+    apt-get update -qq; \
+    echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | debconf-set-selections; \
+    apt-get install -y --no-install-recommends \
+        libicu-dev libgdiplus fontconfig fonts-liberation wget ttf-mscorefonts-installer; \
+    fc-cache -f; \
+    rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 

Examples/getting-started/command-line-interface/use_command_line_interface.py

@@ -0,0 +1,42 @@
+"""Drive the ``groupdocs-conversion`` command-line interface from Python.
+
+Installing the ``groupdocs-conversion-net`` wheel puts a
+``groupdocs-conversion`` console script on ``PATH``; it is also reachable
+as ``python -m groupdocs.conversion``. This example shells out to it the
+same way a CI step, Make rule, or shell pipeline would — convert a
+document, inspect it, and list the target formats valid for an input.
+
+See https://docs.groupdocs.com/conversion/python-net/getting-started/command-line-interface/
+for the full command reference.
+"""
+import subprocess
+import sys
+
+
+def run_cli(*args):
+    """Invoke the CLI via ``python -m groupdocs.conversion`` and echo it."""
+    cmd = [sys.executable, "-m", "groupdocs.conversion", *args]
+    print(f"$ groupdocs-conversion {' '.join(args)}")
+    result = subprocess.run(cmd, capture_output=True, text=True)
+    if result.stdout:
+        print(result.stdout.rstrip())
+    if result.returncode != 0:
+        print(result.stderr.rstrip())
+        raise RuntimeError(f"CLI exited with code {result.returncode}")
+    print()
+    return result
+
+
+def use_command_line_interface():
+    # Convert — the target format is inferred from the output extension.
+    run_cli("convert", "./business-plan.docx", "./business-plan.pdf")
+
+    # Inspect a document — prints format, size, and page count.
+    run_cli("info", "./business-plan.pdf")
+
+    # List the target formats valid for a given input document.
+    run_cli("list-formats", "./business-plan.docx")
+
+
+if __name__ == "__main__":
+    use_command_line_interface()

Examples/requirements.txt

@@ -1,2 +1,2 @@
-groupdocs-conversion-net==26.3
+groupdocs-conversion-net==26.5.0
 requests>=2.32.5

Examples/run_all_examples.py

@@ -71,6 +71,7 @@ def run_example(base_dir, example_path):
     "getting-started/quick-start-guide/convert_docx_to_pdf.py",
     "getting-started/quick-start-guide/convert_pdf_pages_to_png.py",
     "getting-started/quick-start-guide/convert_files_in_archive.py",
+    "getting-started/command-line-interface/use_command_line_interface.py",
     "licensing/set_license_from_file.py",
     "licensing/set_license_from_stream.py",
     "licensing/set_metered_license.py",