1/*M///////////////////////////////////////////////////////////////////////////////////////
2//
3//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
4//
5//  By downloading, copying, installing or using the software you agree to this license.
6//  If you do not agree to this license, do not download, install,
7//  copy or use the software.
8//
9//
10//                           License Agreement
11//                For Open Source Computer Vision Library
12//
13// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
14// Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved.
15// Third party copyrights are property of their respective owners.
16//
17// Redistribution and use in source and binary forms, with or without modification,
18// are permitted provided that the following conditions are met:
19//
20//   * Redistribution's of source code must retain the above copyright notice,
21//     this list of conditions and the following disclaimer.
22//
23//   * Redistribution's in binary form must reproduce the above copyright notice,
24//     this list of conditions and the following disclaimer in the documentation
25//     and/or other materials provided with the distribution.
26//
27//   * The name of the copyright holders may not be used to endorse or promote products
28//     derived from this software without specific prior written permission.
29//
30// This software is provided by the copyright holders and contributors "as is" and
31// any express or implied warranties, including, but not limited to, the implied
32// warranties of merchantability and fitness for a particular purpose are disclaimed.
33// In no event shall the Intel Corporation or contributors be liable for any direct,
34// indirect, incidental, special, exemplary, or consequential damages
35// (including, but not limited to, procurement of substitute goods or services;
36// loss of use, data, or profits; or business interruption) however caused
37// and on any theory of liability, whether in contract, strict liability,
38// or tort (including negligence or otherwise) arising in any way out of
39// the use of this software, even if advised of the possibility of such damage.
40//
41//M*/
42
43// Defines for Python 2/3 compatibility.
44#ifndef __PYCOMPAT_HPP__
45#define __PYCOMPAT_HPP__
46
47#if PY_MAJOR_VERSION >= 3
48// Python3 treats all ints as longs, PyInt_X functions have been removed.
49#define PyInt_Check PyLong_Check
50#define PyInt_CheckExact PyLong_CheckExact
51#define PyInt_AsLong PyLong_AsLong
52#define PyInt_AS_LONG PyLong_AS_LONG
53#define PyInt_FromLong PyLong_FromLong
54#define PyNumber_Int PyNumber_Long
55
56// Python3 strings are unicode, these defines mimic the Python2 functionality.
57#define PyString_Check PyUnicode_Check
58#define PyString_FromString PyUnicode_FromString
59#define PyString_FromStringAndSize PyUnicode_FromStringAndSize
60#define PyString_Size PyUnicode_GET_SIZE
61
62// PyUnicode_AsUTF8 isn't available until Python 3.3
63#if (PY_VERSION_HEX < 0x03030000)
64#define PyString_AsString _PyUnicode_AsString
65#else
66#define PyString_AsString PyUnicode_AsUTF8
67#endif
68#endif
69
70#endif // END HEADER GUARD
71