1 #include <Python.h>
2
3 typedef struct {
4 PyListObject list;
5 int state;
6 } Shoddy;
7
8
9 static PyObject *
Shoddy_increment(Shoddy * self,PyObject * unused)10 Shoddy_increment(Shoddy *self, PyObject *unused)
11 {
12 self->state++;
13 return PyInt_FromLong(self->state);
14 }
15
16
17 static PyMethodDef Shoddy_methods[] = {
18 {"increment", (PyCFunction)Shoddy_increment, METH_NOARGS,
19 PyDoc_STR("increment state counter")},
20 {NULL, NULL},
21 };
22
23 static int
Shoddy_init(Shoddy * self,PyObject * args,PyObject * kwds)24 Shoddy_init(Shoddy *self, PyObject *args, PyObject *kwds)
25 {
26 if (PyList_Type.tp_init((PyObject *)self, args, kwds) < 0)
27 return -1;
28 self->state = 0;
29 return 0;
30 }
31
32
33 static PyTypeObject ShoddyType = {
34 PyVarObject_HEAD_INIT(NULL, 0)
35 "shoddy.Shoddy", /* tp_name */
36 sizeof(Shoddy), /* tp_basicsize */
37 0, /* tp_itemsize */
38 0, /* 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 0, /* tp_call */
49 0, /* tp_str */
50 0, /* tp_getattro */
51 0, /* tp_setattro */
52 0, /* tp_as_buffer */
53 Py_TPFLAGS_DEFAULT |
54 Py_TPFLAGS_BASETYPE, /* tp_flags */
55 0, /* tp_doc */
56 0, /* tp_traverse */
57 0, /* tp_clear */
58 0, /* tp_richcompare */
59 0, /* tp_weaklistoffset */
60 0, /* tp_iter */
61 0, /* tp_iternext */
62 Shoddy_methods, /* tp_methods */
63 0, /* tp_members */
64 0, /* tp_getset */
65 0, /* tp_base */
66 0, /* tp_dict */
67 0, /* tp_descr_get */
68 0, /* tp_descr_set */
69 0, /* tp_dictoffset */
70 (initproc)Shoddy_init, /* tp_init */
71 0, /* tp_alloc */
72 0, /* tp_new */
73 };
74
75 PyMODINIT_FUNC
initshoddy(void)76 initshoddy(void)
77 {
78 PyObject *m;
79
80 ShoddyType.tp_base = &PyList_Type;
81 if (PyType_Ready(&ShoddyType) < 0)
82 return;
83
84 m = Py_InitModule3("shoddy", NULL, "Shoddy module");
85 if (m == NULL)
86 return;
87
88 Py_INCREF(&ShoddyType);
89 PyModule_AddObject(m, "Shoddy", (PyObject *) &ShoddyType);
90 }
91