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lammps/src/PYTHON/python_compat.h
2017-05-15 17:46:57 -04:00

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/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifndef LMP_PYTHON_COMPAT_H
#define LMP_PYTHON_COMPAT_H
// Wrap API changes between Python 2 and 3 using macros
#if PY_MAJOR_VERSION == 2
#define PY_INT_FROM_LONG(X) PyInt_FromLong(X)
#define PY_INT_AS_LONG(X) PyInt_AsLong(X)
#define PY_STRING_FROM_STRING(X) PyString_FromString(X)
#define PY_VOID_POINTER(X) PyCObject_FromVoidPtr((void *) X, NULL)
#define PY_STRING_AS_STRING(X) PyString_AsString(X)
#elif PY_MAJOR_VERSION == 3
#define PY_INT_FROM_LONG(X) PyLong_FromLong(X)
#define PY_INT_AS_LONG(X) PyLong_AsLong(X)
#define PY_STRING_FROM_STRING(X) PyUnicode_FromString(X)
#define PY_VOID_POINTER(X) PyCapsule_New((void *) X, NULL, NULL)
#define PY_STRING_AS_STRING(X) PyUnicode_AsUTF8(X)
#endif
#endif