klayout/src/pymod/pymodHelper.h

110 lines
2.7 KiB
C

/*
KLayout Layout Viewer
Copyright (C) 2006-2024 Matthias Koefferlein
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @brief A helper include file to implement the Python modules
*
* Use this helper file this way:
*
* #include "pymodHelper.h"
* DEFINE_PYMOD(klayout.mymod, "mymod", "KLayout Test module klayout.mymod")
*/
#include <Python.h>
#include "pyaModule.h"
#include "pyaUtils.h"
#include "pya.h"
#include "gsi.h"
#include "gsiExpression.h"
static PyObject *
module_init (const char *pymod_name, const char *mod_name, const char *mod_description)
{
if (! pya::PythonInterpreter::instance ()) {
return 0;
}
pya::PythonModule *module = new pya::PythonModule ();
pya::PythonInterpreter::instance ()->register_module (module);
PYA_TRY
gsi::initialize ();
// required for the tiling processor for example
gsi::initialize_expressions ();
module->init (pymod_name, mod_description);
module->make_classes (mod_name);
return module->take_module ();
PYA_CATCH_ANYWHERE
return 0;
}
#define STRINGIFY(s) _STRINGIFY(s)
#define _STRINGIFY(s) #s
#if PY_MAJOR_VERSION < 3
#define DEFINE_PYMOD(__name__, __name_str__, __description__) \
extern "C" \
DEF_INSIDE_PUBLIC \
void init##__name__ () \
{ \
module_init (STRINGIFY(__name__), __name_str__, __description__); \
} \
#define DEFINE_PYMOD_WITH_INIT(__name__, __name_str__, __description__, __init__) \
extern "C" \
DEF_INSIDE_PUBLIC \
void init##__name__ () \
{ \
__init__ (STRINGIFY(__name__), __name_str__, __description__); \
} \
#else
#define DEFINE_PYMOD(__name__, __name_str__, __description__) \
extern "C" \
DEF_INSIDE_PUBLIC \
PyObject *PyInit_##__name__ () \
{ \
return module_init (STRINGIFY(__name__), __name_str__, __description__); \
} \
#define DEFINE_PYMOD_WITH_INIT(__name__, __name_str__, __description__, __init__) \
extern "C" \
DEF_INSIDE_PUBLIC \
PyObject *PyInit_##__name__ () \
{ \
return __init__ (STRINGIFY(__name__), __name_str__, __description__); \
} \
#endif