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gh-127001: Fix PATHEXT issues in shutil.which() on Windows #127035

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Merged
serhiy-storchaka merged 8 commits into from
Nov 22, 2024
Merged

gh-127001: Fix PATHEXT issues in shutil.which() on Windows #127035

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b2ec0f6
gh-127001: Fix conflict with extensionless files in shutil.which() on…
serhiy-storchaka Nov 19, 2024
851c4c2
Rewrite tests and support . in PATHEXT.
serhiy-storchaka Nov 22, 2024
2258182
Update comment.
serhiy-storchaka Nov 22, 2024
e1b862b
Add a NEWS entry.
serhiy-storchaka Nov 22, 2024
b72facb
Test full match with multidot extension
serhiy-storchaka Nov 22, 2024
e494730
Polishing.
serhiy-storchaka Nov 22, 2024
db4ab95
Remove an outdated bugfix versionchanged.
serhiy-storchaka Nov 22, 2024
e49c75f
Support PATHEXT extension that ends with a dot.
serhiy-storchaka Nov 22, 2024
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Rewrite tests and support . in PATHEXT.
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@serhiy-storchaka
serhiy-storchaka committed Nov 22, 2024
commit 851c4c2bdc88d79effd7ffbb019ef5e5a60b4166
2 changes: 1 addition & 1 deletion Lib/shutil.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1550,7 +1550,7 @@ def which(cmd, mode=os.F_OK | os.X_OK, path=None):
if sys.platform == "win32":
# PATHEXT is necessary to check on Windows.
pathext_source = os.getenv("PATHEXT") or _WIN_DEFAULT_PATHEXT
pathext = [ext for ext in pathext_source.split(os.pathsep) if ext]
pathext = [ext.rstrip('.') for ext in pathext_source.split(os.pathsep) if ext]

if use_bytes:
pathext = [os.fsencode(ext) for ext in pathext]
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