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-rw-r--r--Lib/fnmatch.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/fnmatch.py b/Lib/fnmatch.py
index 4c149eb..b1c37f5 100644
--- a/Lib/fnmatch.py
+++ b/Lib/fnmatch.py
@@ -15,6 +15,7 @@ import re
__all__ = ["filter", "fnmatch","fnmatchcase","translate"]
_cache = {}
+_MAXCACHE = 100
def fnmatch(name, pat):
"""Test whether FILENAME matches PATTERN.
@@ -44,6 +45,8 @@ def filter(names, pat):
pat=os.path.normcase(pat)
if not pat in _cache:
res = translate(pat)
+ if len(_cache) >= _MAXCACHE:
+ _cache.clear()
_cache[pat] = re.compile(res)
match=_cache[pat].match
if os.path is posixpath:
@@ -66,6 +69,8 @@ def fnmatchcase(name, pat):
if not pat in _cache:
res = translate(pat)
+ if len(_cache) >= _MAXCACHE:
+ _cache.clear()
_cache[pat] = re.compile(res)
return _cache[pat].match(name) is not None