#include <python2.6/Python.h> //<-Put this FIRST!

static int _fact(int v) {
	if (v<2) return 1;
	return v*_fact(v-1);
}

static PyObject* factorial(PyObject *self, PyObject *args) {
	int value;
	
	//Try parsing the argument tuple
	//https://docs.python.org/2/c-api/arg.html
	if (!PyArg_ParseTuple(args,"i",&value))
		return NULL; //<-Something didn't work!
	
	return Py_BuildValue("i",_fact(value));
	//An appropriate Python object/tuple is constructed for return
}

//If it ain't here, it ain't in the module
//Always terminate with {NULL,NULL,0,NULL}
static PyMethodDef toolsMethods[]={
	{"fact",factorial,METH_VARARGS,"Calculate a factorial!"},
	{NULL,NULL,0,NULL}
};

PyMODINIT_FUNC inittools(void) {
	(void) Py_InitModule("tools",toolsMethods);
	//There are other Init's, including one that lets you have a docstring
	//(void) Py_InitModule3("tools",toolsMethods,"Handy-dandy tools!");
}