Merged revisions 82732,82734,82738 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/release27-maint
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r82732 | r.david.murray | 2010-07-09 09:16:00 -0400 (Fri, 09 Jul 2010) | 13 lines
Merged revisions 82730 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
'merge' in the sense that this is the same fix by the same author.
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r82730 | r.david.murray | 2010-07-09 08:23:21 -0400 (Fri, 09 Jul 2010) | 4 lines
7846: limit fnmatch pattern cache to _MAXCACHE=100 entries.
Patch by Andrew Clegg.
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r82734 | r.david.murray | 2010-07-09 09:17:45 -0400 (Fri, 09 Jul 2010) | 9 lines
Merged revisions 82731 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r82731 | r.david.murray | 2010-07-09 09:14:03 -0400 (Fri, 09 Jul 2010) | 2 lines
Fix sort order mistake in Misc/ACKS.
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r82738 | r.david.murray | 2010-07-09 09:25:56 -0400 (Fri, 09 Jul 2010) | 2 lines
Add missing NEWS entry for 7646.
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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 @@
__all__ = ["filter", "fnmatch","fnmatchcase","translate"]
_cache = {}
+_MAXCACHE = 100
def fnmatch(name, pat):
"""Test whether FILENAME matches PATTERN.
@@ -44,6 +45,8 @@
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 @@
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