Packaging modernisation#4
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Pushing a version tag (git tag v0.x.y && git push origin v0.x.y) now triggers release.yml, which builds the sdist + wheel, publishes to PyPI via OIDC Trusted Publishers (no stored API token), and creates a GitHub Release with auto-generated notes. - Switch to hatch-vcs for version management: version is derived from git tags automatically, eliminating manual pyproject.toml bumps - Add release.yml workflow gated on a "pypi" GitHub environment - Add v[0-9]+.* tag trigger to python-package.yml so the full test matrix and wheel-verify job also run on release tag pushes - Add fetch-depth: 0 to all checkout steps (needed by hatch-vcs) - Document release process and one-time PyPI Trusted Publisher setup in README Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Python 3.9 reached end-of-life in October 2025. The scientific Python
ecosystem (plotnine, matplotlib, scipy) has dropped 3.9 support, which
caused uv to resolve older, vulnerable versions of transitive deps when
building the lockfile for 3.9:
- filelock 3.19.1: TOCTOU symlink CVEs (fix requires Python >=3.10)
- pillow 11.3.0: 7 OOB-write / integer-overflow CVEs (via plotnine
0.13.6, the last plotnine release supporting Python 3.9)
- pytest 8.4.2: tmpdir handling CVE (fixed in 9.0.3)
Bumping requires-python to >=3.10 resolves all three to safe versions.
uv audit now reports zero known vulnerabilities across 49 packages (down
from 71 with the Python 3.9 resolution tree included).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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