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 294f8aeb4d4b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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77154
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents:
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1 #!/usr/bin/env python3
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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2 if __name__ == '__main__':
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents:
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3 import sys
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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4 rc = 1
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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5 try:
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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6 import venv
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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7 venv.main()
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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8 rc = 0
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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9 except Exception as e:
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
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10 print('Error: %s' % e, file=sys.stderr)
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents:
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11 sys.exit(rc)