Files
newspark110/lib/scripting/rs_python.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

112 lines
3.0 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include "rs_python.h"
#ifdef RS_OPT_PYTHON
//
// This is exported from the Boost::Python library declarations
// that are declared inside rs_python_wrappers.cpp.
//
extern "C" void initlibrecad();
/**
* The unique instance of the Python scripting engine
*/
RS_Python* RS_Python::uniqueInstance = NULL;
/**
* Constructor
*/
RS_Python::RS_Python()
{
graphic = NULL;
Py_Initialize();
initlibrecad();
}
/**
* Gets the one and only RS_Python instance
* (creates a new one on first call only)
*
* @return Pointer to the single instance of this
* singleton class
*/
RS_Python* RS_Python::instance() {
if(uniqueInstance==NULL) {
uniqueInstance = new RS_Python;
}
return uniqueInstance;
}
/**
* Launches the given script.
*/
int RS_Python::launch(const QString& script) {
PyObject *modname, *mod, *mdict, *func, *rslt;
//Py_SetProgramName(argv[0]);
modname = PyString_FromString(script);
mod = PyImport_Import(modname);
if (mod) {
//printf( "mod\n");
mdict = PyModule_GetDict(mod);
// Borrowed reference to start function
func = PyDict_GetItemString(mdict, "start");
if (func) {
//printf( "func\n");
if (PyCallable_Check(func)) {
//printf("calling..\n");
rslt = PyObject_CallFunction(func, "(s)", "noparam");
//printf("calling ok\n");
if (rslt) {
// The result value is currently not used
Py_XDECREF(rslt);
} else
{
// Give user some feed back what went wrong
printf("*** PYTHON RUNTIME ERROR ***\n");
PyErr_Print();
}
}
} else {
printf("no such function: start\n");
}
Py_XDECREF(mod);
} else {
printf("*** ERROR LOADING SCRIPT '%s' ***\n", script.latin1());
PyErr_Print();
}
Py_XDECREF(modname);
//Py_Finalize();
return 0;
}
#endif