Doc/ext/noddy.c

   1 #include <Python.h>
   2
   3 staticforward PyTypeObject noddy_NoddyType;
   4
   5 typedef struct {
   6     PyObject_HEAD
   7     /* Type-specific fields go here. */
   8 } noddy_NoddyObject;
   9
  10 static PyObject*
  11 noddy_new_noddy(PyObject* self, PyObject* args)
  12 {
  13     noddy_NoddyObject* noddy;
  14
  15     noddy = PyObject_New(noddy_NoddyObject, &noddy_NoddyType);
  16
  17     /* Initialize type-specific fields here. */
  18
  19     return (PyObject*)noddy;
  20 }
  21
  22 static void
  23 noddy_noddy_dealloc(PyObject* self)
  24 {
  25     /* Free any external resources here;
  26      * if the instance owns references to any Python
  27      * objects, call Py_DECREF() on them here.
  28      */
  29     PyObject_Del(self);
  30 }
  31
  32 statichere PyTypeObject noddy_NoddyType = {
  33     PyObject_HEAD_INIT(NULL)
  34     0,
  35     "Noddy",
  36     sizeof(noddy_NoddyObject),
  37     0,
  38     noddy_noddy_dealloc, /*tp_dealloc*/
  39     0,          /*tp_print*/
  40     0,          /*tp_getattr*/
  41     0,          /*tp_setattr*/
  42     0,          /*tp_compare*/
  43     0,          /*tp_repr*/
  44     0,          /*tp_as_number*/
  45     0,          /*tp_as_sequence*/
  46     0,          /*tp_as_mapping*/
  47     0,          /*tp_hash */
  48 };
  49
  50 static PyMethodDef noddy_methods[] = {
  51     {"new_noddy", noddy_new_noddy, METH_NOARGS,
  52      "Create a new Noddy object."},
  53
  54     {NULL}  /* Sentinel */
  55 };
  56
  57 DL_EXPORT(void)
  58 initnoddy(void)
  59 {
  60     noddy_NoddyType.ob_type = &PyType_Type;
  61     if (PyType_Ready(&noddy_NoddyType))
  62         return;
  63
  64     Py_InitModule3("noddy", noddy_methods
  65                    "Example module that creates an extension type.");
  66 }