summaryrefslogtreecommitdiff
path: root/Lib/genericpath.py
diff options
context:
space:
mode:
authorBrett Cannon <brett@python.org>2016-08-26 14:44:48 -0700
committerBrett Cannon <brett@python.org>2016-08-26 14:44:48 -0700
commit3f9183b5aca568867f37c38501fca63911580c66 (patch)
tree77dbe8fa7c0381c665ed259a94620a860a8f73d7 /Lib/genericpath.py
parent6ed442c48dd7f8d3097e688a36bc027df3271621 (diff)
downloadcpython-git-3f9183b5aca568867f37c38501fca63911580c66.tar.gz
Issue #26027, #27524: Add PEP 519/__fspath__() support to os and
os.path. Thanks to Jelle Zijlstra for the initial patch against posixmodule.c.
Diffstat (limited to 'Lib/genericpath.py')
-rw-r--r--Lib/genericpath.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/genericpath.py b/Lib/genericpath.py
index 671406197a..303b3b349a 100644
--- a/Lib/genericpath.py
+++ b/Lib/genericpath.py
@@ -69,6 +69,12 @@ def getctime(filename):
def commonprefix(m):
"Given a list of pathnames, returns the longest common leading component"
if not m: return ''
+ # Some people pass in a list of pathname parts to operate in an OS-agnostic
+ # fashion; don't try to translate in that case as that's an abuse of the
+ # API and they are already doing what they need to be OS-agnostic and so
+ # they most likely won't be using an os.PathLike object in the sublists.
+ if not isinstance(m[0], (list, tuple)):
+ m = tuple(map(os.fspath, m))
s1 = min(m)
s2 = max(m)
for i, c in enumerate(s1):