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gh-117201: Handle leading // for posixpath.commonpath #117202

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nineteendo wants to merge 14 commits into from
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gh-117201: Handle leading // for posixpath.commonpath #117202

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247c9af
Handle leading `//` for `posixpath.commonpath`
nineteendo Mar 24, 2024
0c38276
raise TypeError for non-sequences
nineteendo Mar 24, 2024
a9b0832
📜🤖 Added by blurb_it.
blurb-it[bot] Mar 26, 2024
a521282
Remove `break` & `else`
nineteendo Mar 26, 2024
b467e7e
Merge branch 'fix-commonpath' of https://github.com/nineteendo/cpytho…
nineteendo Mar 26, 2024
26eac21
Handle errors for iterable
nineteendo Mar 26, 2024
d83743d
Remove redundant check
nineteendo Mar 27, 2024
1ae0c43
raise TypeError for non-sequences
nineteendo Mar 28, 2024
e6de234
Update NEWS.d
nineteendo Mar 28, 2024
012c12e
Add newline
nineteendo Mar 28, 2024
fb1c91a
Speed up `posixpath.ismount`
nineteendo Mar 28, 2024
ca90fde
unnest `posixpath.expanduser`
nineteendo Mar 28, 2024
758e0d6
Speed up `posixpath.expanduser` & `posixpath.normpath`
nineteendo Mar 28, 2024
218e43e
Move refactoring to new branch
nineteendo Mar 28, 2024
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raise TypeError for non-sequences
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@nineteendo
nineteendo committed Mar 24, 2024
commit 0c38276ed948199ee0695d48ef5d93e0b25091cc
6 changes: 3 additions & 3 deletions Lib/posixpath.py
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Original file line number Diff line number Diff line change
Expand Up @@ -545,11 +545,11 @@ def relpath(path, start=None):

def commonpath(paths):
"""Given a sequence of path names, returns the longest common sub-path."""
if not paths:
_, roots, tails = zip(*map(splitroot, paths))
if not roots:
raise ValueError('commonpath() arg is an empty sequence')

try:
_, roots, tails = zip(*map(splitroot, paths))
prefix = min(roots)
except (TypeError, AttributeError):
genericpath._check_arg_types('commonpath', *paths)
Expand Down Expand Up @@ -577,4 +577,4 @@ def commonpath(paths):
else:
common = s1

return prefix + sep.join(common)
return prefix + sep.join(common)