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python2.7
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cobject.h
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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 */