python_compat.h
69ccbd156252lammm-devel

python_compat.h
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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