npy_ctypes.h at 5bec8df ⋅ numpy/numpy

#ifndef NPY_CTYPES_H
#define NPY_CTYPES_H

#include <Python.h>

#include "npy_import.h"

/*
 * Check if a python type is a ctypes class.
 *
 * Works like the Py<type>_Check functions, returning true if the argument
 * looks like a ctypes object.
 *
 * This entire function is just a wrapper around the Python function of the
 * same name.
 */
NPY_INLINE static int
npy_ctypes_check(PyTypeObject *obj)
{
    static PyObject *py_func = NULL;
    PyObject *ret_obj;
    int ret;

    npy_cache_import("numpy.core._internal", "npy_ctypes_check", &py_func);
    if (py_func == NULL) {
        goto fail;
    }

    ret_obj = PyObject_CallFunctionObjArgs(py_func, (PyObject *)obj, NULL);
    if (ret_obj == NULL) {
        goto fail;
    }

    ret = PyObject_IsTrue(ret_obj);
    Py_DECREF(ret_obj);
    if (ret == -1) {
        goto fail;
    }

    return ret;

fail:
    /* If the above fails, then we should just assume that the type is not from
     * ctypes
     */
    PyErr_Clear();
    return 0;
}

#endif

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1		#ifndef NPY_CTYPES_H
2		#define NPY_CTYPES_H
3
4		#include <Python.h>
5
6		#include "npy_import.h"
7
8		/*
9		* Check if a python type is a ctypes class.
10		*
11		* Works like the Py<type>_Check functions, returning true if the argument
12		* looks like a ctypes object.
13		*
14		* This entire function is just a wrapper around the Python function of the
15		* same name.
16		*/
17		NPY_INLINE static int
18	1	npy_ctypes_check(PyTypeObject *obj)
19		{
20		static PyObject *py_func = NULL;
21		PyObject *ret_obj;
22		int ret;
23
24	1	npy_cache_import("numpy.core._internal", "npy_ctypes_check", &py_func);
25	1	if (py_func == NULL) {
26		goto fail;
27		}
28
29	1	ret_obj = PyObject_CallFunctionObjArgs(py_func, (PyObject *)obj, NULL);
30	1	if (ret_obj == NULL) {
31		goto fail;
32		}
33
34	1	ret = PyObject_IsTrue(ret_obj);
35	1	Py_DECREF(ret_obj);
36	1	if (ret == -1) {
37		goto fail;
38		}
39
40		return ret;
41
42	0	fail:
43		/* If the above fails, then we should just assume that the type is not from
44		* ctypes
45		*/
46	0	PyErr_Clear();
47	0	return 0;
48		}
49
50		#endif

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