Mercurial > cpython-lru_cache-weakref

annotate Lib/distutils/debug.py @ 87690:66c1c9f32567 default tip

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 3e26c9033306
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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25210
76768adb6f23 Define DEBUG in a separate module to resolve circular references.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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1 import os
76768adb6f23 Define DEBUG in a separate module to resolve circular references.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
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2
76768adb6f23 Define DEBUG in a separate module to resolve circular references.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
3 # If DISTUTILS_DEBUG is anything other than the empty string, we run in
76768adb6f23 Define DEBUG in a separate module to resolve circular references.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
4 # debug mode.
76768adb6f23 Define DEBUG in a separate module to resolve circular references.
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
5 DEBUG = os.environ.get('DISTUTILS_DEBUG')