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Merge fix for issue #22166 from 3.4

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This commit is contained in:
Nick Coghlan 2014-09-15 23:55:16 +12:00
commit a0f33759fa
5 changed files with 102 additions and 0 deletions
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14
Lib/test/test_codecs.py
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@ -2586,6 +2586,14 @@ def _get_test_codec(codec_name):
return _TEST_CODECS.get(codec_name)
codecs.register(_get_test_codec) # Returns None, not usable as a decorator
try:
# Issue #22166: Also need to clear the internal cache in CPython
from _codecs import _forget_codec
except ImportError:
def _forget_codec(codec_name):
pass
class ExceptionChainingTest(unittest.TestCase):
def setUp(self):
@ -2611,6 +2619,12 @@ class ExceptionChainingTest(unittest.TestCase):
def tearDown(self):
_TEST_CODECS.pop(self.codec_name, None)
# Issue #22166: Also pop from caches to avoid appearance of ref leaks
encodings._cache.pop(self.codec_name, None)
try:
_forget_codec(self.codec_name)
except KeyError:
pass
def set_codec(self, encode, decode):
codec_info = codecs.CodecInfo(encode, decode,