Mercurial > cpython-lru_cache-weakref

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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 87a0fdcaa84a
children
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parents: 32737
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1 import sys
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2
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3 # This is a test module for Python. It looks in the standard
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4 # places for various *.py files. If these are moved, you must
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5 # change this module too.
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6
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7 try:
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8 import os
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9 except:
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10 print("""Could not import the standard "os" module.
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11 Please check your PYTHONPATH environment variable.""")
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12 sys.exit(1)
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13
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14 try:
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15 import symbol
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16 except:
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17 print("""Could not import the standard "symbol" module. If this is
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18 a PC, you should add the dos_8x3 directory to your PYTHONPATH.""")
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19 sys.exit(1)
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20
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21 import os
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22
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23 for dir in sys.path:
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24 file = os.path.join(dir, "os.py")
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25 if os.path.isfile(file):
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26 test = os.path.join(dir, "test")
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27 if os.path.isdir(test):
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28 # Add the "test" directory to PYTHONPATH.
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29 sys.path = sys.path + [test]
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30
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31 import regrtest # Standard Python tester.
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32 regrtest.main()