gh-144050: Fix stat.filemode pure Python file type detection #144059
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Misc/NEWS.d/next/Library/2026-01-20-16-35-55.gh-issue-144050.0kKFbF.rst
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…kKFbF.rst Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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needs backport to 3.13
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Thanks @VanshAgarwal24036 for the PR, and @serhiy-storchaka for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14. |
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Thanks @VanshAgarwal24036 for the PR, and @serhiy-storchaka for merging it 🌮🎉.. I'm working now to backport this PR to: 3.13. |
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…ythonGH-144059) (cherry picked from commit fe62926) Co-authored-by: VanshAgarwal24036 <148854295+VanshAgarwal24036@users.noreply.github.com>
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…ythonGH-144059) (cherry picked from commit fe62926) Co-authored-by: VanshAgarwal24036 <148854295+VanshAgarwal24036@users.noreply.github.com>
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GH-144073 is a backport of this pull request to the 3.14 branch. |
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GH-144074 is a backport of this pull request to the 3.13 branch. |
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This PR fixes a discrepancy between the C and pure Python implementations
of stat.filemode.
The pure Python implementation could misclassify arbitrary bit patterns
(e.g. 32767) as block devices. File type detection now correctly uses
(mode & S_IFMT) for file types, matching the C implementation.
A regression test is added to prevent this issue from recurring.
Fixes #144050
stat.filemode's C and Python implementation #144050