fix(pipstar): handle a corner case for compatible version evaluation #3583
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It seems that there was one corner case that was left unhandled. In theory we should also handle `3 ~= 3.0.0`, but the fix for that may be a little more involved and I want to leave it for later. Fixes bazel-contrib#3580
Summary of ChangesHello @aignas, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request focuses on refining the version comparison logic within pipstar to better align with PEP440 standards. It resolves a specific edge case related to compatible version specifiers and includes a new test case to ensure comprehensive coverage across different Python versions. The changes also involve refactoring the code for improved clarity and maintainability. Highlights
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Code Review
This pull request successfully addresses a corner case in compatible version evaluation (~=) to improve compatibility with the PEP440 standard, introducing new helper functions _is_prefix and _left_is_prefix and integrating them into _version_compatible with new test cases. However, a medium-severity Denial of Service (DoS) vulnerability was identified in python/private/version.bzl due to a lack of input length validation on version strings, which could lead to excessive resource consumption. Remediation has been recommended.
…3583) It seems that there was one corner case that was left unhandled. In theory we should also handle `3 ~= 3.0.0`, but the fix for that may be a little more involved and I want to leave it for later. However, that case is unlikely to occur in reality because `LHS` for our cases will most likely have 2 components. Whilst at it prepare for the patch release (#3584). Fixes #3580 (cherry picked from commit a32c744)
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It seems that there was one corner case that was left unhandled.
In theory we should also handle
3 ~= 3.0.0, but the fix for that maybe a little more involved and I want to leave it for later. However,
that case is unlikely to occur in reality because
LHSfor our caseswill most likely have 2 components.
Whilst at it prepare for the patch release (#3584).
Fixes #3580