Python System Execute Module

setup.py

from distutils.core import setup, Extension 

ext = Extension('system', sources=['system.c']) 

setup(name='system', version='1.0', description='Test description', ext_modules=[ext])

system.c

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

static PyObject * system_system(PyObject *self, PyObject *args) { 

    const char *command; 
    int sts; 

    if (! PyArg_ParseTuple(args, "s", &command)) { 
        return NULL; 
    } 

    sts = system(command); 

    return Py_BuildValue("i", sts); 
} 

// Module's method table and initialization function 
// See: http://docs.python.org/extending/extending.html#the-module-s-method-table-and-initialization-function 
static PyMethodDef SystemMethods[] = { 
    {"system", system_system, METH_VARARGS, "Execute a shell command."}, 
    {NULL, NULL, 0, NULL} 
}; 

void initsystem(void) { 
    PyImport_AddModule("system"); 
    Py_InitModule("system", SystemMethods); 
} 

int main(int argc, char *argv[]) { 
    Py_SetProgramName(argv[0]); 
    Py_Initialize(); 
    initsystem(); 
    return 0; 
}