fix: allow pypi packages with empty data attribute by rickeylev · Pull Request #3463

fix: allow pypi packages with empty data attribute by rickeylev · Pull Request #3463 · bazel-contrib/rules_python

Summary of Changes

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This pull request addresses a specific build robustness issue related to Bazel's native.glob function. Previously, if a glob pattern for PyPI package data resulted in no matches after exclusions, Bazel's updated default behavior would cause a build failure. The change ensures that such valid scenarios, where a data glob might legitimately yield an empty set, are handled gracefully by explicitly allowing empty glob results, thereby preventing unnecessary build breaks.

Highlights

Build Fix: Resolves a potential build failure when processing PyPI packages where the data attribute's glob might result in an empty set, which Bazel now disallows by default.
Glob Configuration: Explicitly sets allow_empty=True for the native.glob call used to collect data files within site-packages for whl_library_targets.

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