diff options
Diffstat (limited to 'Lib/pathlib.py')
| -rw-r--r-- | Lib/pathlib.py | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/Lib/pathlib.py b/Lib/pathlib.py index ef7c47c..3d68c16 100644 --- a/Lib/pathlib.py +++ b/Lib/pathlib.py @@ -86,6 +86,12 @@ def _make_selector(pattern_parts, flavour, case_sensitive): return cls(pat, child_parts, flavour, case_sensitive) +@functools.lru_cache(maxsize=256) +def _compile_pattern(pat, case_sensitive): + flags = re.NOFLAG if case_sensitive else re.IGNORECASE + return re.compile(fnmatch.translate(pat), flags).match + + class _Selector: """A selector matches a specific glob pattern part against the children of a given path.""" @@ -133,8 +139,7 @@ class _WildcardSelector(_Selector): if case_sensitive is None: # TODO: evaluate case-sensitivity of each directory in _select_from() case_sensitive = _is_case_sensitive(flavour) - flags = re.NOFLAG if case_sensitive else re.IGNORECASE - self.match = re.compile(fnmatch.translate(pat), flags=flags).fullmatch + self.match = _compile_pattern(pat, case_sensitive) def _select_from(self, parent_path, scandir): try: @@ -680,22 +685,25 @@ class PurePath(object): name = self._tail[-1].partition('.')[0].partition(':')[0].rstrip(' ') return name.upper() in _WIN_RESERVED_NAMES - def match(self, path_pattern): + def match(self, path_pattern, *, case_sensitive=None): """ Return True if this path matches the given pattern. """ + if case_sensitive is None: + case_sensitive = _is_case_sensitive(self._flavour) pat = self.with_segments(path_pattern) if not pat.parts: raise ValueError("empty pattern") - pat_parts = pat._parts_normcase - parts = self._parts_normcase + pat_parts = pat.parts + parts = self.parts if pat.drive or pat.root: if len(pat_parts) != len(parts): return False elif len(pat_parts) > len(parts): return False for part, pat in zip(reversed(parts), reversed(pat_parts)): - if not fnmatch.fnmatchcase(part, pat): + match = _compile_pattern(pat, case_sensitive) + if not match(part): return False return True |