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/*
* python_compatibility.h -- macros for Python 2/3 compatibility
*
* This file is Copyright (c) 2016 by the GPSD project
* SPDX-License-Identifier: BSD-2-clause
*
* Definitions based on examples in "Supporting Python 3 - The Book Site"
* http://python3porting.com/cextensions.html
*/
#ifndef _PYTHON_COMPATIBILITY_H_
#define _PYTHON_COMPATIBILITY_H_
#include <Python.h>
#if PY_MAJOR_VERSION >= 3
#define GPSD_PY_MODULE_INIT(name) PyMODINIT_FUNC PyInit_##name(void)
#define GPSD_PY_MODULE_DEF(mod, name, doc, methods) \
static struct PyModuleDef moduledef = { \
PyModuleDef_HEAD_INIT, name, doc, -1, methods, }; \
mod = PyModule_Create(&moduledef);
#define GPSD_PY_MODULE_ERROR_VAL NULL
#define GPSD_PY_MODULE_SUCCESS_VAL(val) val
#define GPSD_PY_BYTE_FORMAT "y#"
#else /* !Python 3 */
#define GPSD_PY_MODULE_INIT(name) PyMODINIT_FUNC init##name(void)
#define GPSD_PY_MODULE_DEF(mod, name, doc, methods) \
mod = Py_InitModule3(name, methods, doc);
#define GPSD_PY_MODULE_ERROR_VAL
#define GPSD_PY_MODULE_SUCCESS_VAL(val)
#define GPSD_PY_BYTE_FORMAT "s#"
#endif /* !Python 3 */
#endif /* _PYTHON_COMPATIBILITY_H_ */
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