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#include <Python.h>

typedef struct {

PyListObject list;

int state;

} Shoddy;

static PyObject *

Shoddy_increment(Shoddy *self, PyObject *unused)

{

self->state++;

return PyLong_FromLong(self->state);

}

static PyMethodDef Shoddy_methods[] = {

{"increment", (PyCFunction)Shoddy_increment, METH_NOARGS,

PyDoc_STR("increment state counter")},

{NULL, NULL},

};

static int

Shoddy_init(Shoddy *self, PyObject *args, PyObject *kwds)

{

if (PyList_Type.tp_init((PyObject *)self, args, kwds) < 0)

return -1;

self->state = 0;

return 0;

}

static PyTypeObject ShoddyType = {

PyObject_HEAD_INIT(NULL)

"shoddy.Shoddy", /* tp_name */

sizeof(Shoddy), /* tp_basicsize */

0, /* tp_itemsize */

0, /* tp_dealloc */

0, /* tp_print */

0, /* tp_getattr */

0, /* tp_setattr */

0, /* tp_reserved */

0, /* tp_repr */

0, /* tp_as_number */

0, /* tp_as_sequence */

0, /* tp_as_mapping */

0, /* tp_hash */

0, /* tp_call */

0, /* tp_str */

0, /* tp_getattro */

0, /* tp_setattro */

0, /* tp_as_buffer */

Py_TPFLAGS_DEFAULT |

Py_TPFLAGS_BASETYPE, /* tp_flags */

0, /* tp_doc */

0, /* tp_traverse */

0, /* tp_clear */

0, /* tp_richcompare */

0, /* tp_weaklistoffset */

0, /* tp_iter */

0, /* tp_iternext */

Shoddy_methods, /* tp_methods */

0, /* tp_members */

0, /* tp_getset */

0, /* tp_base */

0, /* tp_dict */

0, /* tp_descr_get */

0, /* tp_descr_set */

0, /* tp_dictoffset */

(initproc)Shoddy_init, /* tp_init */

0, /* tp_alloc */

0, /* tp_new */

};

static PyModuleDef shoddymodule = {

PyModuleDef_HEAD_INIT,

"shoddy",

"Shoddy module",

-1,

NULL, NULL, NULL, NULL, NULL

};

PyMODINIT_FUNC

PyInit_shoddy(void)

{

PyObject *m;

ShoddyType.tp_base = &PyList_Type;

if (PyType_Ready(&ShoddyType) < 0)

return NULL;

m = PyModule_Create(&shoddymodule);

if (m == NULL)

return NULL;

Py_INCREF(&ShoddyType);

PyModule_AddObject(m, "Shoddy", (PyObject *) &ShoddyType);

return m;

}