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py3Compat.h
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1 //
2 // Copyright 2020 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
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24 #ifndef PXR_BASE_TF_PY_3_COMPAT_H
25 #define PXR_BASE_TF_PY_3_COMPAT_H
26 
27 /// \file tf/py3Compat.h
28 /// Compatibility code for supporting python 2 and 3
29 
30 #include "pxr/pxr.h"
31 
33 
35 
36 // Python 3 migrating helpers:
37 #if PY_MAJOR_VERSION >= 3
38 
39 // These flags are needed in python 2 only, stub them out in python 3.
40 // In python 3 this behavior is the default. See PEP-3118
41 #define TfPy_TPFLAGS_HAVE_NEWBUFFER 0
42 #define TfPy_TPFLAGS_HAVE_GETCHARBUFFER 0
43 
44 #define TfPyString_Check(a) (PyBytes_Check(a) || PyUnicode_Check(a))
45 #define TfPyString_AsString PyUnicode_AsUTF8
46 
47 // PyInt -> PyLong remapping
48 #define TfPyInt_Check PyLong_Check
49 // Note: Slightly different semantics, the macro does not do any error checking
50 #define TfPyInt_AS_LONG PyLong_AsLong
51 
52 // Method and module names that are changed in python 3
53 #define TfPyIteratorNextMethodName "__next__"
54 #define TfPyClassMethodFuncName "__func__"
55 #define TfPyBoolBuiltinFuncName "__bool__"
56 #define TfPyBuiltinModuleName "builtins"
57 
58 #else // Python 2
59 
60 #define TfPy_TPFLAGS_HAVE_NEWBUFFER Py_TPFLAGS_HAVE_NEWBUFFER
61 #define TfPy_TPFLAGS_HAVE_GETCHARBUFFER Py_TPFLAGS_HAVE_GETCHARBUFFER
62 
63 #define TfPyInt_Check PyInt_Check
64 #define TfPyInt_AS_LONG PyInt_AS_LONG
65 
66 #define TfPyIteratorNextMethodName "next"
67 #define TfPyClassMethodFuncName "im_func"
68 #define TfPyBoolBuiltinFuncName "__nonzero__"
69 #define TfPyBuiltinModuleName "__builtin__"
70 
71 #define TfPyString_AsString PyString_AsString
72 #define TfPyString_Check PyString_Check
73 
74 #endif
75 
77 
78 #endif // PXR_BASE_TF_PY_3_COMPAT_H
79 
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1346
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91