view Include/structseq.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 fc718c177ee6
children
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/* Named tuple object interface */

#ifndef Py_STRUCTSEQ_H
#define Py_STRUCTSEQ_H
#ifdef __cplusplus
extern "C" {
#endif

typedef struct PyStructSequence_Field {
    char *name;
    char *doc;
} PyStructSequence_Field;

typedef struct PyStructSequence_Desc {
    char *name;
    char *doc;
    struct PyStructSequence_Field *fields;
    int n_in_sequence;
} PyStructSequence_Desc;

extern char* PyStructSequence_UnnamedField;

#ifndef Py_LIMITED_API
PyAPI_FUNC(void) PyStructSequence_InitType(PyTypeObject *type,
                                           PyStructSequence_Desc *desc);
PyAPI_FUNC(int) PyStructSequence_InitType2(PyTypeObject *type,
                                           PyStructSequence_Desc *desc);
#endif
PyAPI_FUNC(PyTypeObject*) PyStructSequence_NewType(PyStructSequence_Desc *desc);

PyAPI_FUNC(PyObject *) PyStructSequence_New(PyTypeObject* type);

#ifndef Py_LIMITED_API
typedef PyTupleObject PyStructSequence;

/* Macro, *only* to be used to fill in brand new objects */
#define PyStructSequence_SET_ITEM(op, i, v) PyTuple_SET_ITEM(op, i, v)

#define PyStructSequence_GET_ITEM(op, i) PyTuple_GET_ITEM(op, i)
#endif

PyAPI_FUNC(void) PyStructSequence_SetItem(PyObject*, Py_ssize_t, PyObject*);
PyAPI_FUNC(PyObject*) PyStructSequence_GetItem(PyObject*, Py_ssize_t);

#ifdef __cplusplus
}
#endif
#endif /* !Py_STRUCTSEQ_H */