diff --git a/Lib/pathlib.py b/Lib/pathlib.py index e15718dc98d677..f3813e04109904 100644 --- a/Lib/pathlib.py +++ b/Lib/pathlib.py @@ -463,8 +463,12 @@ def _lines(self): try: return self._lines_cached except AttributeError: - trans = _SWAP_SEP_AND_NEWLINE[self._flavour.sep] - self._lines_cached = str(self).translate(trans) + path_str = str(self) + if path_str == '.': + self._lines_cached = '' + else: + trans = _SWAP_SEP_AND_NEWLINE[self._flavour.sep] + self._lines_cached = path_str.translate(trans) return self._lines_cached def __eq__(self, other): diff --git a/Lib/test/test_pathlib.py b/Lib/test/test_pathlib.py index 464a835212d472..eb2b0cfb26e85f 100644 --- a/Lib/test/test_pathlib.py +++ b/Lib/test/test_pathlib.py @@ -384,6 +384,10 @@ def test_match_common(self): self.assertTrue(P('A.py').match('a.PY', case_sensitive=False)) self.assertFalse(P('c:/a/B.Py').match('C:/A/*.pY', case_sensitive=True)) self.assertTrue(P('/a/b/c.py').match('/A/*/*.Py', case_sensitive=False)) + # Matching against empty path + self.assertFalse(P().match('*')) + self.assertTrue(P().match('**')) + self.assertFalse(P().match('**/*')) def test_ordering_common(self): # Ordering is tuple-alike. diff --git a/Misc/NEWS.d/next/Library/2023-07-02-10-56-41.gh-issue-106330.QSkIUH.rst b/Misc/NEWS.d/next/Library/2023-07-02-10-56-41.gh-issue-106330.QSkIUH.rst new file mode 100644 index 00000000000000..c1f55ab658b517 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-07-02-10-56-41.gh-issue-106330.QSkIUH.rst @@ -0,0 +1,2 @@ +Fix incorrect matching of empty paths in :meth:`pathlib.PurePath.match`. +This bug was introduced in Python 3.12.0 beta 1.