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Support PyString_AsString() in Python 3 < 3.3

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In Python 3, version 3.3+, PyUnicode_AsUTF8() provides similar
functionality to Python 2's PyString_AsString().

In older versions of Python 3, there is no public function to provide
the same functionality.  However, the "internal" _PyUnicode_AsString()
does provide that functionality, so use it to replace
PyString_AsString().

With this patch, cv2 should compile for Python 3.[0-2].
This commit is contained in:
Michael Pratt 2013-11-07 23:37:52 -05:00 committed by arc
parent 254aece317
commit 8aafd569c8
1 changed files with 7 additions and 1 deletions
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8
modules/python/src2/pycompat.hpp
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@ -56,9 +56,15 @@
// Python3 strings are unicode, these defines mimic the Python2 functionality.
#define PyString_Check PyUnicode_Check
#define PyString_FromString PyUnicode_FromString
#define PyString_AsString PyUnicode_AsUTF8
#define PyString_FromStringAndSize PyUnicode_FromStringAndSize
#define PyString_Size PyUnicode_GET_SIZE
// PyUnicode_AsUTF8 isn't available until Python 3.3
#if (PY_VERSION_HEX < 0x03030000)
#define PyString_AsString _PyUnicode_AsString
#else
#define PyString_AsString PyUnicode_AsUTF8
#endif
#endif
#endif // END HEADER GUARD