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bpo-36565: Fix libregrtest for Python without builtin _abc (GH-12733) 

Fix reference hunting (``python3 -m test -R 3:3``) when Python has no
built-in abc module: fix _get_dump() reimplementation of libregrtest.
This commit is contained in:
Victor Stinner 2019-04-09 01:36:34 +02:00 committed by GitHub
parent eb7e29f2a9
commit 79b5d29041
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2 changed files with 8 additions and 2 deletions
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8
Lib/test/libregrtest/refleak.py
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@ -8,9 +8,13 @@ from test import support
try: try:
from _abc import _get_dump from _abc import _get_dump
except ImportError: except ImportError:
import weakref
def _get_dump(cls): def _get_dump(cls):
# For legacy Python version # Reimplement _get_dump() for pure-Python implementation of
return (cls._abc_registry, cls._abc_cache, # the abc module (Lib/_py_abc.py)
registry_weakrefs = set(weakref.ref(obj) for obj in cls._abc_registry)
return (registry_weakrefs, cls._abc_cache,
cls._abc_negative_cache, cls._abc_negative_cache_version) cls._abc_negative_cache, cls._abc_negative_cache_version)

2
Misc/NEWS.d/next/Tests/2019-04-08-19-01-21.bpo-36565.2bxgtU.rst Normal file
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@ -0,0 +1,2 @@
Fix reference hunting (``python3 -m test -R 3:3``) when Python has no
built-in abc module.