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[3.14] gh-140774: Fix clearing the read-only file attribute on Windows (GH-154852) - #161898
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serhiy-storchaka merged 1 commit intoNov 12, 2026
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…Windows (pythonGH-154852) SetFileInformationByHandle() interprets a FILE_BASIC_INFO with FileAttributes == 0 as "leave the attributes unchanged", so clearing the read-only flag of a file with no other attribute set was silently ignored by os.chmod(follow_symlinks=True), os.fchmod() and pathlib.Path.chmod(). Substitute FILE_ATTRIBUTE_NORMAL in that case. (cherry picked from commit 46d437d) Co-authored-by: Yusuke Hayashi <yusuke8h@gmail.com> Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This was referenced Nov 12, 2026
serhiy-storchaka
enabled auto-merge (squash)
November 12, 2026 18:19
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(cherry picked from commit 46d437d)
Co-authored-by: Yusuke Hayashi yusuke8h@gmail.com
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