pythonGH-104947: Make pathlib.PureWindowsPath comparisons consistent …

…across OSs Use `str.lower()` rather than `ntpath.normcase()` to normalize case of Windows paths. This restores behaviour from Python 3.11.
barneygale · May 25, 2023 · 256e1ee · 256e1ee
1 parent 501c06d
commit 256e1ee
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diff --git a/Lib/pathlib.py b/Lib/pathlib.py
@@ -421,7 +421,10 @@ def _str_normcase(self):
         try:
             return self._str_normcase_cached
         except AttributeError:
-            self._str_normcase_cached = self._flavour.normcase(str(self))
+            if _is_case_sensitive(self._flavour):
+                self._str_normcase_cached = str(self)
+            else:
+                self._str_normcase_cached = str(self).lower()
             return self._str_normcase_cached
 
     @property

diff --git a/Misc/NEWS.d/next/Library/2023-05-25-22-54-20.gh-issue-104947.hi6TUr.rst b/Misc/NEWS.d/next/Library/2023-05-25-22-54-20.gh-issue-104947.hi6TUr.rst
@@ -0,0 +1,2 @@
+Make comparisons between :class:`pathlib.PureWindowsPath` objects consistent
+across Windows and Posix.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Make comparisons between :class:`pathlib.PureWindowsPath` objects consistent
		across Windows and Posix.