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.
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@ -82,6 +82,13 @@ patterns.
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<_sre.SRE_Match object at 0x...>
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.. function:: purge()
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Clear the internal pattern cache.
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.. versionadded:: 3.2
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.. seealso::
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Module :mod:`glob`
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@ -12,12 +12,17 @@ corresponding to PATTERN. (It does not compile it.)
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import re
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__all__ = ["filter", "fnmatch","fnmatchcase","translate"]
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__all__ = ["filter", "fnmatch", "fnmatchcase", "purge", "translate"]
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_cache = {} # Maps text patterns to compiled regexen.
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_cacheb = {} # Ditto for bytes patterns.
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_MAXCACHE = 100 # Maximum size of caches
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def purge():
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"""Clear the pattern cache"""
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_cache.clear()
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_cacheb.clear()
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def fnmatch(name, pat):
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"""Test whether FILENAME matches PATTERN.
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@ -3,10 +3,14 @@
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from test import support
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import unittest
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from fnmatch import fnmatch, fnmatchcase, _MAXCACHE, _cache, _cacheb
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from fnmatch import fnmatch, fnmatchcase, _MAXCACHE, _cache, _cacheb, purge
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class FnmatchTestCase(unittest.TestCase):
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def tearDown(self):
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purge()
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def check_match(self, filename, pattern, should_match=1, fn=fnmatch):
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if should_match:
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self.assertTrue(fn(filename, pattern),
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