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**
** 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!
**
**********************************************************************/
#ifdef RS_OPT_SIMPLEPYTHON
#include "rs_simplepython.h"
RS_SimplePython* RS_SimplePython::uniqueInstance = NULL;
/**
* Gets the one and only RS_SimplePython instance
* (creates a new one on first call only)
*
* @return Pointer to the single instance of this
* singleton class
*/
RS_SimplePython* RS_SimplePython::instance() {
if(uniqueInstance==NULL) {
uniqueInstance = new RS_SimplePython;
}
return uniqueInstance;
}
/**
* Launches the given script.
*/
int RS_SimplePython::launch(const QString& script) {
long answer;
PyObject *modname, *mod, *mdict, *func, *rslt;
//Py_SetProgramName(argv[0]);
Py_Initialize();
init_pyextension();
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) {
//printf("c: rslt\n");
answer = PyInt_AsLong(rslt);
//printf("c: answer is: %ld\n", answer);
Py_XDECREF(rslt);
}
}
} else {
printf("no such function: start\n");
}
Py_XDECREF(mod);
} else {
printf("no such module: %s\n", script.latin1());
}
Py_XDECREF(modname);
Py_Finalize();
return 0;
}
/**
* A test method exposed to Python
*/
long inc(long i) {
printf("c: inc called\n");
printf("c: parameter from python: %ld\n", i);
return ++i;
}
/**
* The magic that exposes inc(). A wrapper function.
*/
static PyObject *py_inc(PyObject* /*self*/, PyObject* args) {
long i;
printf("c: py_inc called\n");
if (!PyArg_ParseTuple(args, "l", &i))
return NULL;
return Py_BuildValue("l", inc(i));
}
/**
* Adds a line to the current graphic document.
*/
void rsPyAddLine(double x1, double y1, double x2, double y2) {
//printf("c: addLine called\n");
//printf("c: parameter from python: %f\n", x1);
RS_Graphic* graphic = RS_SIMPLEPYTHON->getGraphic();
if (graphic) {
graphic->addEntity(new RS_Line(graphic,
RS_LineData(RS_Vector(x1, y1),
RS_Vector(x2, y2))));
} else {
std::cerr << "rsPyAddLine: No graphic object set.\n";
}
}
/**
* Python wrapper.
*/
static PyObject *py_rsPyAddLine(PyObject* /*self*/, PyObject* args) {
double x1, y1, x2, y2;
//printf("c: py_rsPyAddLine called\n");
if (!PyArg_ParseTuple(args, "dddd", &x1, &y1, &x2, &y2)) {
return NULL;
}
rsPyAddLine(x1, y1, x2, y2);
return Py_BuildValue("d", 1);
}
/**
* The librecad module's function table.
*/
static PyMethodDef rsLibreCADMethods[] =
{
{"inc", py_inc, 1,
"a silly example method"},
{"rsPyAddLine", py_rsPyAddLine, 1,
"adds a line to the current document"},
{NULL, NULL} /* sentinel */
};
/**
* Python will call this when the librecad module is imported.
*/
void init_pyextension() {
printf("c: adding module: librecad\n");
PyImport_AddModule("librecad");
Py_InitModule("librecad", rsLibreCADMethods);
printf("c: module librecad: OK\n");
}
#endif
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