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/*
* Copyright (C) 2012-2013 Red Hat, Inc.
*
* Licensed under the GNU Lesser General Public License Version 2.1
*
* 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
*/
/* module for Python 2/3 C API compatibility */
#ifndef PYCOMP_H
#define PYCOMP_H
// Python 3 and newer types compatibility
#if PY_MAJOR_VERSION >= 3
#define PyInt_Check PyLong_Check
#define PyString_FromString PyUnicode_FromString
#define PyString_FromFormat PyUnicode_FromFormat
#define PyString_Check PyBytes_Check
#define Py_TPFLAGS_HAVE_ITER 0
#endif
// uniform way to define Python 2 and Python 3 modules
#if PY_MAJOR_VERSION >= 3
#define PYCOMP_MOD_ERROR_VAL NULL
#define PYCOMP_MOD_SUCCESS_VAL(val) val
#define PYCOMP_MOD_INIT(name) PyMODINIT_FUNC PyInit_##name(void)
#define PYCOMP_MOD_DEF(ob, name, methods) \
static struct PyModuleDef moduledef = { \
PyModuleDef_HEAD_INIT, name, NULL, -1, methods, }; \
ob = PyModule_Create(&moduledef);
#else
#define PYCOMP_MOD_ERROR_VAL
#define PYCOMP_MOD_SUCCESS_VAL(val)
#define PYCOMP_MOD_INIT(name) extern "C" void init##name(void)
#define PYCOMP_MOD_DEF(ob, name, methods) \
ob = Py_InitModule(name, methods);
#endif
// Python 2.5 and older compatibility
#ifndef PyVarObject_HEAD_INIT
#define PyVarObject_HEAD_INIT(type, size) \
PyObject_HEAD_INIT(type) size,
#endif
#include <string>
/**
* @brief bytes, basic string or unicode string in Python 2/3 to c string converter
*/
class PycompString {
public:
PycompString() = default;
explicit PycompString(PyObject * str);
const std::string & getString() const noexcept { return cppString; }
const char * getCString() const noexcept { return isNull ? nullptr : cppString.c_str(); }
private:
bool isNull{true};
std::string cppString;
};
PYCOMP_MOD_INIT(_hawkey);
#endif // PYCOMP_H
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