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Often python extension modules define submodules like this:
static PyObject *
initfoo_xpto(void)
{
 PyObject *m;
 m = Py_InitModule3("foo.xpto", foo_xpto_functions, NULL);
 [...]
 return m;
}
PyMODINIT_FUNC
initfoo(void)
{
 PyObject *m;
 PyObject *submodule;
 m = Py_InitModule3("foo", foo_functions, NULL);
 [...]
 submodule = initfoo_xpto();
 Py_INCREF(submodule);
 PyModule_AddObject(m, "xpto", submodule);
}
Unfortunately pydoc does not list these submodules. Attached patch
fixes it.