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?
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