#include <Python.h>
#include <boost/python.hpp>
#include <boost/python/object.hpp>
using namespace std;
using namespace boost::python;

struct World
{
    void set(std::string msg) { this->msg = msg; }
    std::string greet() { return msg; }
    std::string msg;
};


BOOST_PYTHON_MODULE(hello)
{
    class_<World>("World")
        .def("greet", &World::greet)
        .def("set", &World::set)
        ;
}


int main(int argc, char *argv[]) {
    Py_Initialize();
    try {
        inithello();
    }
    catch (error_already_set) {
        PyErr_Print();
    }

    PyRun_SimpleString("import hello");
    PyRun_SimpleString("planet = hello.World()");
    PyRun_SimpleString("planet.set('howdy')");
    PyRun_SimpleString("print planet.greet()");

    PyObject *pModule = PyImport_ImportModule(entry);

    if (pModule == NULL) {
        if (PyErr_Occurred())
            PyErr_Print();
        else
            fprintf(stderr, "  No Python exception information available\n");
        return 1;
    }

    // pDict is a borrowed reference
    PyObject *pDict = PyModule_GetDict(pModule);

    // pFunc is also a borrowed reference
    PyObject *pFunc = PyDict_GetItemString(pDict, "run");

    if (PyCallable_Check(pFunc))
    {
        PyObject_CallObject(pFunc, NULL);
    } else
    {
        PyErr_Print();
    }

    Py_DECREF(pModule);

    Py_Finalize();

    return 0;
}