gh-99772: Fix datetime.time comparison and hashing for sub-minute UTC offsets - #155024
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StanFromIreland merged 3 commits intoSep 7, 2026
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…ute UTC offsets Normalize the complete UTC offset in the C and pure Python comparison paths, and align the pure Python hash with the C implementation. Add shared regression tests for both implementations.
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StanFromIreland
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StanFromIreland
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Sep 6, 2026
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Since we're changing hashes, I'm hesitant to backport as it may break things, so leaving it for now. |
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closes #155023.
This PR fixes
datetime.timecomparison and hashing when UTC offsets contain seconds or microseconds.The C comparison now includes the complete offset by normalizing each time to signed microseconds. The pure Python comparison uses the same integer normalization, and its hash uses the normalized value
wall time - UTC offset.The shared tests cover equality, ordering, and hashing with second and microsecond offsets, including a negative microsecond offset. They run against both the C and pure Python implementations.
datetime.timecomparisons and hashing mishandle sub-minute UTC offsets #155023