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gh-112405: Optimise pathlib.Path.relative_to (#112406)

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Alex Waygood 2023-11-26 15:56:03 +00:00 • committed by GitHub
parent 9fe60340d7
commit 418d585feb
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2 changed files with 3 additions and 1 deletions
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3
Lib/pathlib.py
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@ -14,6 +14,7 @@ import sys
import warnings
from _collections_abc import Sequence
from errno import ENOENT, ENOTDIR, EBADF, ELOOP, EINVAL
from itertools import chain
from stat import S_ISDIR, S_ISLNK, S_ISREG, S_ISSOCK, S_ISBLK, S_ISCHR, S_ISFIFO
try:
@ -445,7 +446,7 @@ class PurePath:
other = self.with_segments(other, *_deprecated)
elif not isinstance(other, PurePath):
other = self.with_segments(other)
for step, path in enumerate([other] + list(other.parents)):
for step, path in enumerate(chain([other], other.parents)):
if path == self or path in self.parents:
break
elif not walk_up: