http://stackoverflow.com/questions/4331599/calling-python-functions-from-c This a simple problem.But they are not the same.My problem is:
boost::python::object func; Rectangle ret; func(&ret); // How to make a parameter of c++ instance's pointer to a python function. 2012/11/18 Holger Brandsmeier <brandsme...@gmx.de> > Have a look at > http://stackoverflow.com/questions/4331599/calling-python-functions-from-c > > On Sat, Nov 17, 2012 at 4:25 PM, simon zhang <hapo...@gmail.com> wrote: > > This is a complex problem. I provide some code. > > > > c++ > > ======================================= > > #include <boost/python.hpp> > > #include <boost/python/module.hpp> > > #include <boost/python/def.hpp> > > > > class Rectangle { > > public: > > Rectangle(); > > virtual ~Rectangle(); > > void set(int lg,int wd) { long=lg; width=wd; }; > > int area() { return long*width; } ; > > int long; > > int width; > > } > > > > void runtest( boost::python::object &func ) { > > Rectangle rt; > > rt.set(2,3); > > func( &rt ); // The parameter is a pointer of instance.The > > function come from python. > > } > > > > BOOST_PYTHON_MODULE(ctopython) { > > using namespace boost::python; > > def("runtest",runtest); > > } > > > > python > > ======================================= > > import ctopython > > > > def pfunc( ret ) > > print ret.long #how to get right from a C++ > instance > > print ret.area() > > > > ctopython.runtest( pfunc ) #Pass parameters that is custom python > object > > to c++ function > > > > ======================================= > > how to do? > > > > > > _______________________________________________ > > Cplusplus-sig mailing list > > Cplusplus-sig@python.org > > http://mail.python.org/mailman/listinfo/cplusplus-sig > _______________________________________________ > Cplusplus-sig mailing list > Cplusplus-sig@python.org > http://mail.python.org/mailman/listinfo/cplusplus-sig >
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