static PyObject *py_distance(PyObject *self, PyObject *args) {
Point *p1, *p2;
PyObject *py_p1, *py_p2;
double result;
if (!PyArg_ParseTuple(args,"OO",&py_p1, &py_p2)) {
return NULL;
}
if (!(p1 = PyPoint_AsPoint(py_p1))) {
return NULL;
}
if (!(p2 = PyPoint_AsPoint(py_p2))) {
return NULL;
}
result = distance(p1,p2);
return Py_BuildValue("d", result);
}
/* An extension function that uses the exported API */
static PyObject *print_point(PyObject *self, PyObject *args) {
PyObject *obj;
Point *p;
if (!PyArg_ParseTuple(args,"O", &obj)) {
return NULL;
}
/* Note: This is defined in a different module */
p = PyPoint_AsPoint(obj);
if (!p) {
return NULL;
}
printf("%f %f\n", p->x, p->y);
return Py_BuildValue("");
}
/* Funkcja rozszerzenia używająca eksportowanego interfejsu API */
static PyObject *print_point(PyObject *self, PyObject *args) {
PyObject *obj;
Point *p;
if (!PyArg_ParseTuple(args,"O", &obj)) {
return NULL;
}
/* Uwaga: funkcja zdefiniowana w innym module */
p = PyPoint_AsPoint(obj);
if (!p) {
return NULL;
}
printf("%f %f\n", p->x, p->y);
return Py_BuildValue("");
}
