f2pyptr.h

#ifndef F2PYPTR_H_
#define F2PYPTR_H_
 
#include <Python.h>
 
void *f2py_pointer(PyObject *obj) 
{
#if PY_VERSION_HEX < 0x03000000
    if (PyCObject_Check(obj)) {
        return PyCObject_AsVoidPtr(obj);
    }
#endif
#if PY_VERSION_HEX >= 0x02070000
    if (PyCapsule_CheckExact(obj)) {
        return PyCapsule_GetPointer(obj, NULL);
    }
#endif
    PyErr_SetString(PyExc_ValueError, "Not an object containing a void ptr");
    return NULL;
}
 
#endif