Read __version__ from metadata; fix stale master/PSLmodels references

CLAUDE.md

@@ -28,7 +28,7 @@
   - Deprecation warnings properly configured with `stacklevel=2`
 
 ## Pull Request Process
-1. Create a feature branch from master
+1. Create a feature branch from main
 2. Make changes and ensure they follow code style guidelines
 3. Add a changelog entry
 4. Create PR with descriptive title and body

README.md

@@ -1,5 +1,5 @@
 [![Build](https://github.com/PolicyEngine/microdf/workflows/Pull%20request/badge.svg)](https://github.com/PolicyEngine/microdf/actions)
-[![Codecov](https://codecov.io/gh/PolicyEngine/microdf/branch/master/graph/badge.svg)](https://codecov.io/gh/PolicyEngine/microdf)
+[![Codecov](https://codecov.io/gh/PolicyEngine/microdf/branch/main/graph/badge.svg)](https://codecov.io/gh/PolicyEngine/microdf)
 
 # microdf
 Weighted pandas DataFrames and Series for survey microdata analysis.

ROADMAP.md

@@ -6,4 +6,4 @@
 * Presets for working with common datasets, e.g. suggesting the appropriate weight for SCF and CPS
 * Standard error calculations for surveys with replicate weight files
 
-See the [issues page](https://github.com/PSLmodels/microdf/issues) to view and suggest other items.
+See the [issues page](https://github.com/PolicyEngine/microdf/issues) to view and suggest other items.

changelog.d/version-and-stale-refs.yaml

@@ -0,0 +1,7 @@
+- bump: patch
+  changes:
+    fixed:
+    - __version__ is now read from package metadata instead of a hardcoded
+      0.1.0 that had drifted from pyproject.toml.
+    - Codecov badge, ROADMAP issue link and CLAUDE.md branch name now point at
+      main and the PolicyEngine org.

microdf/__init__.py

@@ -1,8 +1,16 @@
+from importlib.metadata import PackageNotFoundError, version
+
 from .microdataframe import MicroDataFrame, MicroDataFrameGroupBy
 from .microseries import MicroSeries, MicroSeriesGroupBy
 
 name = "microdf"
-__version__ = "0.1.0"
+
+# Read the version from package metadata so it can't drift from
+# pyproject.toml (the automated bump only touches pyproject).
+try:
+    __version__ = version("microdf-python")
+except PackageNotFoundError:  # pragma: no cover - running from a source tree
+    __version__ = "unknown"
 
 __all__ = [
     # microseries.py

microdf/tests/test_microseries_dataframe.py

@@ -815,3 +815,10 @@ def test_rank_ties_share_bucket() -> None:
     # existing ``test_rank`` expectations hold.
     s = mdf.MicroSeries([1, 2, 3], weights=[4, 5, 6])
     np.testing.assert_array_equal(s.rank().values, [4, 9, 15])
+
+
+def test_version_matches_package_metadata():
+    """__version__ must not drift from pyproject.toml."""
+    from importlib.metadata import version
+
+    assert mdf.__version__ == version("microdf-python")