Mercurial > cpython-lru_cache-weakref
view Include/bytes_methods.h @ 87690:66c1c9f32567 default tip
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 | 62b61abd02b8 |
| children |
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#ifndef Py_LIMITED_API #ifndef Py_BYTES_CTYPE_H #define Py_BYTES_CTYPE_H /* * The internal implementation behind PyBytes (bytes) and PyByteArray (bytearray) * methods of the given names, they operate on ASCII byte strings. */ extern PyObject* _Py_bytes_isspace(const char *cptr, Py_ssize_t len); extern PyObject* _Py_bytes_isalpha(const char *cptr, Py_ssize_t len); extern PyObject* _Py_bytes_isalnum(const char *cptr, Py_ssize_t len); extern PyObject* _Py_bytes_isdigit(const char *cptr, Py_ssize_t len); extern PyObject* _Py_bytes_islower(const char *cptr, Py_ssize_t len); extern PyObject* _Py_bytes_isupper(const char *cptr, Py_ssize_t len); extern PyObject* _Py_bytes_istitle(const char *cptr, Py_ssize_t len); /* These store their len sized answer in the given preallocated *result arg. */ extern void _Py_bytes_lower(char *result, const char *cptr, Py_ssize_t len); extern void _Py_bytes_upper(char *result, const char *cptr, Py_ssize_t len); extern void _Py_bytes_title(char *result, char *s, Py_ssize_t len); extern void _Py_bytes_capitalize(char *result, char *s, Py_ssize_t len); extern void _Py_bytes_swapcase(char *result, char *s, Py_ssize_t len); /* This one gets the raw argument list. */ extern PyObject* _Py_bytes_maketrans(PyObject *args); /* Shared __doc__ strings. */ extern const char _Py_isspace__doc__[]; extern const char _Py_isalpha__doc__[]; extern const char _Py_isalnum__doc__[]; extern const char _Py_isdigit__doc__[]; extern const char _Py_islower__doc__[]; extern const char _Py_isupper__doc__[]; extern const char _Py_istitle__doc__[]; extern const char _Py_lower__doc__[]; extern const char _Py_upper__doc__[]; extern const char _Py_title__doc__[]; extern const char _Py_capitalize__doc__[]; extern const char _Py_swapcase__doc__[]; extern const char _Py_maketrans__doc__[]; /* this is needed because some docs are shared from the .o, not static */ #define PyDoc_STRVAR_shared(name,str) const char name[] = PyDoc_STR(str) #endif /* !Py_BYTES_CTYPE_H */ #endif /* !Py_LIMITED_API */
