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[3.15] gh-84419: Fix the execute permissions in os.stat() on Windows (GH-155392) - #156629
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serhiy-storchaka merged 1 commit intoOct 9, 2026
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…ythonGH-155392) Windows strips trailing dots and spaces from the last component of the path, so os.stat('spam.bat ') opened the same file as os.stat('spam.bat'), but did not set the execute permissions in st_mode, because the extension did not match. They are now ignored, unless the \\?\ prefix disables the path normalization. (cherry picked from commit b7daede)
This was referenced Aug 30, 2026
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Windows strips trailing dots and spaces from the last component of the path, so they should be ignored when guessing the execute permissions from the file extension. The
\\?\prefix disables such normalization.(cherry picked from commit b7daede)