greetmodule.c

#include <Python.h>
#include <string.h>

static PyObject* name(PyObject *self, PyObject* args){
    char *name;
    char greeting[255] = "Hello ";
    if (!PyArg_ParseTuple(args, "s", &name)){
        return NULL;
    }

    strcat(greeting, name);
    return Py_BuildValue("s", greeting);
}


static PyMethodDef moduleMethods[] = {
    {"name", name, METH_VARARGS, "Greets with your name"}
};


static struct PyModuleDef greetModule = {
    PyModuleDef_HEAD_INIT,
    "greet",
    "Greetings Module",
    -1,
    moduleMethods
};

PyMODINIT_FUNC PyInit_greet(void){
    return PyModule_Create(&greetModule);
};

main.py

import load_images
import timeit
import greet

print("Name: ", greet.__name__)
print("Docstring: ", greet.__doc__)
print("Greeting: ", greet.name("Lezwon"))

setup.py

from setuptools import setup, Extension

ext_modules = [
    Extension('greet', sources = ['greetmodule.c']),
]

setup(
    name = 'Greeting Project',
    ext_modules = ext_modules
)