#include <iostream>
#include <boost/shared_ptr.hpp>
#include <boost/python.hpp>

using boost::shared_ptr;
using namespace boost::python;

struct A {
    virtual void f() { std::cout << "A OK!\n"; }
};

struct B : public A {
    void f() { std::cout << "B OK!\n"; }
};

BOOST_PYTHON_MODULE(boosterror)
{

    class_<A, shared_ptr<A> >("A")
       .def("f", &A::f)
    ;

    class_<B, shared_ptr<B>, bases<A> >("B")
    ;

}