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gh-117335: Handle non-iterables for ntpath.commonpath (GH-117336)

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Nice Zombies 2024-03-28 22:20:08 +01:00 • committed by GitHub
parent 18cf239e39
commit 14f1ca7d53
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3 changed files with 10 additions and 7 deletions
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13
Lib/ntpath.py
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@ -831,23 +831,22 @@ def relpath(path, start=None):
raise
# Return the longest common sub-path of the sequence of paths given as input.
# Return the longest common sub-path of the iterable of paths given as input.
# The function is case-insensitive and 'separator-insensitive', i.e. if the
# only difference between two paths is the use of '\' versus '/' as separator,
# they are deemed to be equal.
#
# However, the returned path will have the standard '\' separator (even if the
# given paths had the alternative '/' separator) and will have the case of the
# first path given in the sequence. Additionally, any trailing separator is
# first path given in the iterable. Additionally, any trailing separator is
# stripped from the returned path.
def commonpath(paths):
"""Given a sequence of path names, returns the longest common sub-path."""
if not paths:
raise ValueError('commonpath() arg is an empty sequence')
"""Given an iterable of path names, returns the longest common sub-path."""
paths = tuple(map(os.fspath, paths))
if not paths:
raise ValueError('commonpath() arg is an empty iterable')
if isinstance(paths[0], bytes):
sep = b'\\'
altsep = b'/'