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/* -*- Mode: C; c-basic-offset: 4 -*-
* pyglib - Python bindings for GLib toolkit.
* Copyright (C) 2008 Johan Dahlin
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef __PYGLIB_PYTHON_COMPAT_H__
#define __PYGLIB_PYTHON_COMPAT_H__
/* Python 2.3 does not define Py_CLEAR */
#ifndef Py_CLEAR
#define Py_CLEAR(op) \
do { \
if (op) { \
PyObject *tmp = (PyObject *)(op); \
(op) = NULL; \
Py_DECREF(tmp); \
} \
} while (0)
#endif
/* Compilation on Python 2.4 */
#if PY_VERSION_HEX < 0x02050000
typedef int Py_ssize_t;
#define PY_SSIZE_T_MAX INT_MAX
#define PY_SSIZE_T_MIN INT_MIN
typedef inquiry lenfunc;
#endif
/* PyCObject superceded by PyCapsule on Python >= 2.7
* However since this effects header files used by
* static bindings we are only applying the change to
* Python 3.x where we don't support the static bindings.
* 3.2 removed PyCObject so we don't have any choice here.
*
* There is talk upstream of undeprecating PyCObject
* (at least where the 2.x branch is concerned)
* and there is no danger of it being remove from 2.7.
**/
#if PY_VERSION_HEX >= 0x03000000
# define PYGLIB_CPointer_Check PyCapsule_CheckExact
# define PYGLIB_CPointer_WrapPointer(ptr, typename) \
PyCapsule_New(ptr, typename, NULL)
# define PYGLIB_CPointer_GetPointer(obj, typename) \
PyCapsule_GetPointer(obj, typename)
# define PYGLIB_CPointer_Import(module, symbol) \
PyCapsule_Import(##module##.##symbol##, FALSE)
#else
# define PYGLIB_CPointer_Check PyCObject_Check
# define PYGLIB_CPointer_WrapPointer(ptr, typename) \
PyCObject_FromVoidPtr(ptr, NULL)
# define PYGLIB_CPointer_GetPointer(obj, typename) \
PyCObject_AsVoidPtr(obj)
# define PYGLIB_CPointer_Import(module, symbol) \
PyCObject_Import(module, symbol)
#endif
#if PY_VERSION_HEX < 0x03000000
#define PYGLIB_INIT_FUNCTION(modname, fullpkgname, functions) \
static int _pyglib_init_##modname(PyObject *module); \
void init##modname(void) \
{ \
PyObject *module = Py_InitModule(fullpkgname, functions); \
_pyglib_init_##modname(module); \
} \
static int _pyglib_init_##modname(PyObject *module)
#else
#define PYGLIB_INIT_FUNCTION(modname, fullpkgname, functions) \
static struct PyModuleDef _##modname##module = { \
PyModuleDef_HEAD_INIT, \
fullpkgname, \
NULL, \
-1, \
functions, \
NULL, \
NULL, \
NULL, \
NULL \
}; \
static int _pyglib_init_##modname(PyObject *module); \
PyObject *PyInit_##modname(void) \
{ \
PyObject *module = PyModule_Create(&_##modname##module); \
if (module == NULL) \
return NULL; \
if (_pyglib_init_##modname(module) != 0 ) {\
Py_DECREF(module); \
return NULL; \
} \
return module; \
} \
static int _pyglib_init_##modname(PyObject *module)
#endif
/* Compilation on Python 2.x */
#if PY_VERSION_HEX < 0x03000000
#define PYGLIB_MODULE_ERROR_RETURN
#define RO READONLY
#define PYGLIB_PyBaseString_Check(ob) (PyString_Check(ob) || PyUnicode_Check(ob))
#define PYGLIB_PyUnicode_Check PyString_Check
#define PYGLIB_PyUnicode_AsString PyString_AsString
#define PYGLIB_PyUnicode_AsStringAndSize PyString_AsStringAndSize
#define PYGLIB_PyUnicode_FromString PyString_FromString
#define PYGLIB_PyUnicode_FromStringAndSize PyString_FromStringAndSize
#define PYGLIB_PyUnicode_FromFormat PyString_FromFormat
#define PYGLIB_PyUnicode_AS_STRING PyString_AS_STRING
#define PYGLIB_PyUnicode_GET_SIZE PyString_GET_SIZE
#define PYGLIB_PyUnicode_Type PyString_Type
#define PYGLIB_PyBytes_FromString PyString_FromString
#define PYGLIB_PyBytes_FromStringAndSize PyString_FromStringAndSize
#define PYGLIB_PyBytes_Resize _PyString_Resize
#define PYGLIB_PyBytes_AsString PyString_AsString
#define PYGLIB_PyBytes_Size PyString_Size
#define PYGLIB_PyBytes_Check PyString_Check
#define PYGLIB_PyLong_Check PyInt_Check
#define PYGLIB_PyLong_FromLong PyInt_FromLong
#define PYGLIB_PyLong_FromSsize_t PyInt_FromSsize_t
#define PYGLIB_PyLong_FromSize_t PyInt_FromSize_t
#define PYGLIB_PyLong_AsLong PyInt_AsLong
#define PYGLIB_PyLongObject PyIntObject
#define PYGLIB_PyLong_Type PyInt_Type
#define PYGLIB_PyLong_AS_LONG PyInt_AS_LONG
#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
#define PYGLIB_PyNumber_Long PyNumber_Int
#ifndef PyVarObject_HEAD_INIT
#define PyVarObject_HEAD_INIT(base, size) \
PyObject_HEAD_INIT(base) \
size,
#endif
#define PYGLIB_MODULE_START(symbol, modname) \
DL_EXPORT(void) init##symbol(void) \
{ \
PyObject *module; \
module = Py_InitModule(modname, symbol##_functions);
#define PYGLIB_MODULE_END }
#define PYGLIB_DEFINE_TYPE(typename, symbol, csymbol) \
PyTypeObject symbol = { \
PyObject_HEAD_INIT(NULL) \
0, \
typename, \
sizeof(csymbol), \
0, \
};
#define PYGLIB_REGISTER_TYPE(d, type, name) \
if (!type.tp_alloc) \
type.tp_alloc = PyType_GenericAlloc; \
if (!type.tp_new) \
type.tp_new = PyType_GenericNew; \
if (PyType_Ready(&type)) \
return; \
PyDict_SetItemString(d, name, (PyObject *)&type);
#else
#define PYGLIB_MODULE_ERROR_RETURN 0
#define PYGLIB_MODULE_START(symbol, modname) \
static struct PyModuleDef _##symbol##module = { \
PyModuleDef_HEAD_INIT, \
modname, \
NULL, \
-1, \
symbol##_functions, \
NULL, \
NULL, \
NULL, \
NULL \
}; \
PyMODINIT_FUNC PyInit_##symbol(void) \
{ \
PyObject *module; \
module = PyModule_Create(&_##symbol##module);
#define PYGLIB_MODULE_END return module; }
#define PYGLIB_DEFINE_TYPE(typename, symbol, csymbol) \
PyTypeObject symbol = { \
PyVarObject_HEAD_INIT(NULL, 0) \
typename, \
sizeof(csymbol) \
};
#define PYGLIB_REGISTER_TYPE(d, type, name) \
if (!type.tp_alloc) \
type.tp_alloc = PyType_GenericAlloc; \
if (!type.tp_new) \
type.tp_new = PyType_GenericNew; \
if (PyType_Ready(&type)) \
return; \
PyDict_SetItemString(d, name, (PyObject *)&type);
#define PYGLIB_PyBaseString_Check PyUnicode_Check
#define PYGLIB_PyUnicode_Check PyUnicode_Check
#define PYGLIB_PyUnicode_AsString _PyUnicode_AsString
#define PYGLIB_PyUnicode_AsStringAndSize(obj, buf, size) \
(((*(buf) = _PyUnicode_AsStringAndSize(obj, size)) != NULL) ? 0 : -1)
#define PYGLIB_PyUnicode_FromString PyUnicode_FromString
#define PYGLIB_PyUnicode_FromStringAndSize PyUnicode_FromStringAndSize
#define PYGLIB_PyUnicode_FromFormat PyUnicode_FromFormat
#define PYGLIB_PyUnicode_GET_SIZE PyUnicode_GET_SIZE
#define PYGLIB_PyUnicode_Resize PyUnicode_Resize
#define PYGLIB_PyUnicode_Type PyUnicode_Type
#define PYGLIB_PyLong_Check PyLong_Check
#define PYGLIB_PyLong_FromLong PyLong_FromLong
#define PYGLIB_PyLong_AsLong PyLong_AsLong
#define PYGLIB_PyLong_AS_LONG(o) PyLong_AS_LONG((PyObject*)(o))
#define PYGLIB_PyLongObject PyLongObject
#define PYGLIB_PyLong_Type PyLong_Type
#define PYGLIB_PyBytes_FromString PyBytes_FromString
#define PYGLIB_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
#define PYGLIB_PyBytes_Resize(o, len) _PyBytes_Resize(o, len)
#define PYGLIB_PyBytes_AsString PyBytes_AsString
#define PYGLIB_PyBytes_Size PyBytes_Size
#define PYGLIB_PyBytes_Check PyBytes_Check
#define PYGLIB_PyNumber_Long PyNumber_Long
#endif
#endif /* __PYGLIB_PYTHON_COMPAT_H__ */
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