Fix 'refleak' introduced by fnmatch cache purge tests.
This introduces a 'purge' function for the fnmatch module analogous
to the 'purge' function in the re module.
diff --git a/Lib/fnmatch.py b/Lib/fnmatch.py
index 26ae4cc..aa682bb 100644
--- a/Lib/fnmatch.py
+++ b/Lib/fnmatch.py
@@ -12,12 +12,17 @@
import re
-__all__ = ["filter", "fnmatch","fnmatchcase","translate"]
+__all__ = ["filter", "fnmatch", "fnmatchcase", "purge", "translate"]
_cache = {} # Maps text patterns to compiled regexen.
_cacheb = {} # Ditto for bytes patterns.
_MAXCACHE = 100 # Maximum size of caches
+def purge():
+ """Clear the pattern cache"""
+ _cache.clear()
+ _cacheb.clear()
+
def fnmatch(name, pat):
"""Test whether FILENAME matches PATTERN.