#include <stdio.h>
#include <stdlib.h>
#include <Python.h>

static PyObject *
test_add(PyObject *self, PyObject *args)
{
    int a,b;
    if (!PyArg_ParseTuple(args, "ii", &a, &b))
        return NULL;
    return PyLong_FromLong(a+b);
}

static PyMethodDef TestMethods[] = {
    {"add",  test_add, METH_VARARGS, "Add command."},
    {NULL, NULL, 0, NULL}
};

PyMODINIT_FUNC
init_test(void)
{
    PyObject *m;

    m = Py_InitModule("test", TestMethods);
    if (m == NULL)
        return;
}

static PyMethodDef ContainerMethods[] = {
    {NULL, NULL, 0, NULL}
};

PyMODINIT_FUNC
init_container(void)
{
    PyObject *m = Py_InitModule("container", ContainerMethods);
    if (m == NULL)
        return;

    PyObject *d, *tmp;
    d = PyModule_GetDict(m);
    tmp = PyImport_AddModule("test");
    PyDict_SetItemString(d, "module1", tmp);
    Py_DECREF(tmp);

    tmp = PyImport_AddModule("test");
    PyDict_SetItemString(d, "module2", tmp);
    Py_DECREF(tmp);
}

int main(int argc, char** argv)
{
    Py_Initialize();
    Py_SetProgramName(argv[0]);
    init_test();
    init_container();
    PyRun_SimpleString(
      "import container\n"
      "print container.module1.add(1,2)\n"
    );
    Py_Finalize();
    return 0;
}