diff options
Diffstat (limited to 'oslo_utils/fnmatch.py')
| -rw-r--r-- | oslo_utils/fnmatch.py | 65 |
1 files changed, 6 insertions, 59 deletions
diff --git a/oslo_utils/fnmatch.py b/oslo_utils/fnmatch.py index c52cf05..cdbd74e 100644 --- a/oslo_utils/fnmatch.py +++ b/oslo_utils/fnmatch.py @@ -12,74 +12,21 @@ """Thread safe fnmatch re-implementation. -Standard library fnmatch in Python versions <= 2.7.9 has thread safe -issue, this module is created for such case. see: -https://bugs.python.org/issue23191 - .. versionadded:: 3.3 """ import fnmatch as standard_fnmatch -import os -import posixpath -import re -import sys import warnings import debtcollector warnings.simplefilter("always") debtcollector.deprecate( - "Using the oslo.utils's 'fnmatch' module is deprecate, " - "please use the stdlib `fnmatch` module." + "Using the oslo.utils's 'fnmatch' module is deprecated, " + "please use the stdlib 'fnmatch' module." ) - -if sys.version_info > (2, 7, 9): - fnmatch = standard_fnmatch.fnmatch - fnmatchcase = standard_fnmatch.fnmatchcase - filter = standard_fnmatch.filter - translate = standard_fnmatch.translate -else: - _MATCH_CACHE = {} - _MATCH_CACHE_MAX = 100 - - translate = standard_fnmatch.translate - - def _get_cached_pattern(pattern): - cached_pattern = _MATCH_CACHE.get(pattern) - if cached_pattern is None: - translated_pattern = translate(pattern) - cached_pattern = re.compile(translated_pattern) - if len(_MATCH_CACHE) >= _MATCH_CACHE_MAX: - _MATCH_CACHE.clear() - _MATCH_CACHE[pattern] = cached_pattern - return cached_pattern - - def fnmatchcase(filename, pattern): - cached_pattern = _get_cached_pattern(pattern) - return cached_pattern.match(filename) is not None - - def fnmatch(filename, pattern): - filename = os.path.normcase(filename) - pattern = os.path.normcase(pattern) - return fnmatchcase(filename, pattern) - - def filter(filenames, pattern): - filtered_filenames = [] - - pattern = os.path.normcase(pattern) - cached_pattern = _get_cached_pattern(pattern) - - if os.path is posixpath: - # normcase on posix is NOP. Optimize it away from the loop. - for filename in filenames: - if cached_pattern.match(filename): - filtered_filenames.append(filename) - else: - for filename in filenames: - norm_name = os.path.normcase(filename) - if cached_pattern.match(norm_name): - filtered_filenames.append(filename) - - return filtered_filenames +fnmatch = standard_fnmatch.fnmatch +fnmatchcase = standard_fnmatch.fnmatchcase +filter = standard_fnmatch.filter +translate = standard_fnmatch.translate |