I suspect your problem is unrelated to boost.python. I've never used wxWidgets, but a quick google suggests it should be initialised before being used.
*http://docs.wxwidgets.org/stable/wx_appinifunctions.html* <http://docs.wxwidgets.org/stable/wx_appinifunctions.html> int wxEntry(int& * argc*, wxChar ***argv*) hope this helps, Brian 2010/1/13 Joan Carles Jimenez <jjcar...@jocajica.com> > Hi. > > I am testing the following source code: > > > > -------- > Canvas.h > -------- > > #ifndef _CANVAS_H_ > #define _CANVAS_H_ > > #include <string> > #include "wx/wx.h" > > class CanvasFrame > { > protected: > wxFrame* _frame; > > public: > CanvasFrame(const std::string& pTitle); > ~CanvasFrame(void); > > void Plot(void); > }; > > #endif /* _CANVAS_H_ */ > > ---------- > Canvas.cpp > ---------- > > #include <Python.h> > #include "canvas.h" > > CanvasFrame::CanvasFrame(const std::string& pTitle) > { > _frame = new wxFrame(NULL, wxID_ANY, > wxString::FromAscii(pTitle.c_str())); > } > > CanvasFrame::~CanvasFrame(void) > { > if(_frame) { > delete _frame; > } > } > > void CanvasFrame::Plot(void) > { > } > > ----------- > wrapper.cpp > ----------- > > #include <boost/python.hpp> > #include "canvas.h" > > using namespace boost::python; > > BOOST_PYTHON_MODULE(canvas) > { > class_<CanvasFrame>("CanvasFrame", init<const std::string&>()) > .def("Plot", &CanvasFrame::Plot) > ; > } > > > > And to generate the module "canvas.so" I execute: > > > > g++ -shared -g -I. -I/usr/include/python2.6 -lpython2.6 canvas.cpp > wrapper.cpp /usr/lib64/libboost_python.so -fPIC `wx-config --cxxflags` > `wx-config --libs` -o canvas.so > > "canvas.so" is generated without any problems but when I execute in the > python console the next code: > > > > >>> import canvas > >>> a = canvas.CanvasFrame('My Plot Window') > > > > I have the next errors: > > > > (process:3521): GLib-GObject-CRITICAL **: gtype.c:2458: initialization > assertion failed, use IA__g_type_init() prior to this function > > (process:3521): GLib-CRITICAL **: g_once_init_leave: assertion > `initialization_value != 0' failed > > (process:3521): Gdk-CRITICAL **: gdk_cursor_new_for_display: assertion > `GDK_IS_DISPLAY (display)' failed > > (process:3521): GLib-GObject-CRITICAL **: gtype.c:2458: initialization > assertion failed, use IA__g_type_init() prior to this function > > > > And more, and more, and more. I have watched the examples of > > http://wiki.python.org/moin/boost.python/ExportingClasses > > but I have not seen any problem. They can help me? Thanks! > > > P.D. Sorry for my english! > > > _______________________________________________ > Cplusplus-sig mailing list > Cplusplus-sig@python.org > http://mail.python.org/mailman/listinfo/cplusplus-sig >
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