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

namespace bp = boost::python;

void workaround_for_local_modules()
{
	PyRun_SimpleString(
		"import sys\n"
		"sys.path.append('.')\n");
}

int main(int argc, char** argv)
{
    if (argc < 3) {
        fprintf(stderr,"Usage: call pythonfile funcname [args]\n");
        return 1;
    }

	Py_Initialize();
	workaround_for_local_modules();

	try {
		bp::object module_name;
		bp::object module;
		bp::object func;

		module_name = bp::object(bp::handle<>(PyString_FromString(argv[1])));
		module = bp::object(bp::handle<>(PyImport_Import(module_name.ptr())));
		func = module.attr(argv[2]);

		if(func && PyCallable_Check(func.ptr())) {
			bp::object tuple;

			tuple = bp::object(bp::handle<>(PyTuple_New(argc - 3)));
			for(int i = 0; i < argc - 3; ++i) {
				PyObject* arg;
				arg = PyInt_FromLong(atoi(argv[i+3]));
				PyTuple_SetItem(tuple.ptr(), i, arg);
			}

			bp::object valueObj;
			int value;
			
			valueObj = bp::object(bp::handle<>(PyObject_CallObject(func.ptr(), tuple.ptr())));
			value = bp::extract<int>(valueObj);

			std::cout << value << std::endl;
		}

	} catch(bp::error_already_set const &) {
		PyErr_Print();
	}
	
	Py_Finalize();
	return EXIT_SUCCESS;
}