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/*
CObjects are marked Pending Deprecation as of Python 2.7.
The full schedule for 2.x is as follows:
- CObjects are marked Pending Deprecation in Python 2.7.
- CObjects will be marked Deprecated in Python 2.8
(if there is one).
- CObjects will be removed in Python 2.9 (if there is one).
Additionally, for the Python 3.x series:
- CObjects were marked Deprecated in Python 3.1.
- CObjects will be removed in Python 3.2.
You should switch all use of CObjects to capsules. Capsules
have a safer and more consistent API. For more information,
see Include/pycapsule.h, or read the "Capsules" topic in
the "Python/C API Reference Manual".
Python 2.7 no longer uses CObjects itself; all objects which
were formerly CObjects are now capsules. Note that this change
does not by itself break binary compatibility with extensions
built for previous versions of Python--PyCObject_AsVoidPtr()
has been changed to also understand capsules.
*/
/* original file header comment follows: */
/* C objects to be exported from one extension module to another.
C objects are used for communication between extension modules.
They provide a way for an extension module to export a C interface
to other extension modules, so that extension modules can use the
Python import mechanism to link to one another.
*/
#ifndef Py_COBJECT_H
#define Py_COBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
PyAPI_DATA(PyTypeObject) PyCObject_Type;
#define PyCObject_Check(op) (Py_TYPE(op) == &PyCObject_Type)
/* Create a PyCObject from a pointer to a C object and an optional
destructor function. If the second argument is non-null, then it
will be called with the first argument if and when the PyCObject is
destroyed.
*/
PyAPI_FUNC(PyObject *) PyCObject_FromVoidPtr(
void *cobj, void (*destruct)(void*));
/* Create a PyCObject from a pointer to a C object, a description object,
and an optional destructor function. If the third argument is non-null,
then it will be called with the first and second arguments if and when
the PyCObject is destroyed.
*/
PyAPI_FUNC(PyObject *) PyCObject_FromVoidPtrAndDesc(
void *cobj, void *desc, void (*destruct)(void*,void*));
/* Retrieve a pointer to a C object from a PyCObject. */
PyAPI_FUNC(void *) PyCObject_AsVoidPtr(PyObject *);
/* Retrieve a pointer to a description object from a PyCObject. */
PyAPI_FUNC(void *) PyCObject_GetDesc(PyObject *);
/* Import a pointer to a C object from a module using a PyCObject. */
PyAPI_FUNC(void *) PyCObject_Import(char *module_name, char *cobject_name);
/* Modify a C object. Fails (==0) if object has a destructor. */
PyAPI_FUNC(int) PyCObject_SetVoidPtr(PyObject *self, void *cobj);
typedef struct {
PyObject_HEAD
void *cobject;
void *desc;
void (*destructor)(void *);
} PyCObject;
#ifdef __cplusplus
}
#endif
#endif /* !Py_COBJECT_H */