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 dd0d751cc7f1
children
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#ifndef Py_LIMITED_API
#ifndef Py_PYDEBUG_H
#define Py_PYDEBUG_H
#ifdef __cplusplus
extern "C" {
#endif

PyAPI_DATA(int) Py_DebugFlag;
PyAPI_DATA(int) Py_VerboseFlag;
PyAPI_DATA(int) Py_QuietFlag;
PyAPI_DATA(int) Py_InteractiveFlag;
PyAPI_DATA(int) Py_InspectFlag;
PyAPI_DATA(int) Py_OptimizeFlag;
PyAPI_DATA(int) Py_NoSiteFlag;
PyAPI_DATA(int) Py_BytesWarningFlag;
PyAPI_DATA(int) Py_UseClassExceptionsFlag;
PyAPI_DATA(int) Py_FrozenFlag;
PyAPI_DATA(int) Py_IgnoreEnvironmentFlag;
PyAPI_DATA(int) Py_DontWriteBytecodeFlag;
PyAPI_DATA(int) Py_NoUserSiteDirectory;
PyAPI_DATA(int) Py_UnbufferedStdioFlag;
PyAPI_DATA(int) Py_HashRandomizationFlag;
PyAPI_DATA(int) Py_IsolatedFlag;

/* this is a wrapper around getenv() that pays attention to
   Py_IgnoreEnvironmentFlag.  It should be used for getting variables like
   PYTHONPATH and PYTHONHOME from the environment */
#define Py_GETENV(s) (Py_IgnoreEnvironmentFlag ? NULL : getenv(s))

#ifdef __cplusplus
}
#endif
#endif /* !Py_PYDEBUG_H */
#endif /* Py_LIMITED_API */