[3.10] gh-123693: Use platform-agnostic semantics when processing zipfile.Path.name. (#123694)

jaraco · web-flow · commit 4633177a089e · 2024-09-05T11:15:03.000+02:00
Applies changes from zipp 3.20.1 and jaraco/zippGH-124 (cherry picked from commit 2231286) (cherry picked from commit 17b77bb) Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
@@ -5,7 +5,6 @@
 import itertools
 import os
 import pathlib
-import platform
 import posixpath
 import string
 import struct
@@ -3299,7 +3298,6 @@ def test_malformed_paths(self):
         assert list(map(str, root.iterdir())) == ['../']
         assert root.joinpath('..').joinpath('parent.txt').read_bytes() == b'content'
 
-    @unittest.skipIf(platform.system() == "Windows", "GH-123693")
     def test_unsupported_names(self):
         """
         Path segments with special characters are readable.
@@ -3320,7 +3318,6 @@ def test_unsupported_names(self):
         assert item.name == 'V: NMS.flac', item.name
         assert root.joinpath('V: NMS.flac').read_bytes() == b"fLaC..."
 
-    @unittest.skipIf(platform.system() == "Windows", "GH-123693")
     def test_backslash_not_separator(self):
         """
         In a zip file, backslashes are not separators.
diff --git a/Lib/zipfile.py b/Lib/zipfile.py
@@ -2387,7 +2387,7 @@ def open(self, mode='r', *args, pwd=None, **kwargs):
 
     @property
     def name(self):
-        return pathlib.Path(self.at).name or self.filename.name
+        return pathlib.PurePosixPath(self.at).name or self.filename.name
 
     @property
     def filename(self):
diff --git a/Misc/NEWS.d/next/Library/2024-09-04-14-05-02.gh-issue-123693.dNW1IF.rst b/Misc/NEWS.d/next/Library/2024-09-04-14-05-02.gh-issue-123693.dNW1IF.rst
@@ -0,0 +1 @@
+Use platform-agnostic behavior when computing ``zipfile.Path.name``.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Use platform-agnostic behavior when computing ``zipfile.Path.name``.