docs: rewrite multi-version dependency track guide using custom platforms#3751
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rickeylev merged 2 commits intobazel-contrib:mainfrom May 3, 2026
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This pull request introduces the ability to dynamically populate Python toolchain versions from a python-build-standalone manifest file via a new manifest_url attribute in the dev_python.override extension. It also updates the documentation for handling multiple PyPI versions to reflect modern rules_python patterns using custom platforms and unified hubs. A significant issue was identified in the manifest parsing logic where platform matching is fragile and could lead to incorrect toolchain registrations, particularly for freethreaded builds. Additionally, the hardcoded strip_prefix and lack of flavor prioritization in the manifest parser may result in suboptimal or broken toolchain configurations.
…orms Updated the monorepo multi-version dependency sharing documentation to reflect bzlmod extension capabilities, migrating from manual Starlark select() routing on library targets to single-hub configurations utilizing custom platform settings. Work towards bazel-contrib#3671.
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Updated the monorepo multi-version dependency sharing documentation to
reflect bzlmod extension capabilities, migrating from manual Starlark
select() routing on library targets to single-hub configurations
utilizing custom platform settings.
Work towards #3671.