Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
noddy2.c
#include <Python.h>
#include "structmember.h"
typedef struct {
PyObject_HEAD
PyObject *first; /* first name */
PyObject *last; /* last name */
int number;
} Noddy;
static void
Noddy_dealloc(Noddy* self)
{
Py_XDECREF(self->first);
Py_XDECREF(self->last);
self->ob_type->tp_free((PyObject*)self);
}
static PyObject *
Noddy_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
Noddy *self;
self = (Noddy *)type->tp_alloc(type, 0);
if (self != NULL) {
self->first = PyString_FromString("");
if (self->first == NULL)
{
Py_DECREF(self);
return NULL;
}
self->last = PyString_FromString("");
if (self->last == NULL)
{
Py_DECREF(self);
return NULL;
}
self->number = 0;
}
return (PyObject *)self;
}
static int
Noddy_init(Noddy *self, PyObject *args, PyObject *kwds)
{
PyObject *first=NULL, *last=NULL, *tmp;
static char *kwlist[] = {"first", "last", "number", NULL};
if (! PyArg_ParseTupleAndKeywords(args, kwds, "|OOi", kwlist,
&first, &last,
&self->number))
return -1;
if (first) {
tmp = self->first;
Py_INCREF(first);
self->first = first;
Py_XDECREF(tmp);
}
if (last) {
tmp = self->last;
Py_INCREF(last);
self->last = last;
Py_XDECREF(tmp);
}
return 0;
}
static PyMemberDef Noddy_members[] = {
{"first", T_OBJECT_EX, offsetof(Noddy, first), 0,
"first name"},
{"last", T_OBJECT_EX, offsetof(Noddy, last), 0,
"last name"},
{"number", T_INT, offsetof(Noddy, number), 0,
"noddy number"},
{NULL} /* Sentinel */
};
static PyObject *
Noddy_name(Noddy* self)
{
static PyObject *format = NULL;
PyObject *args, *result;
if (format == NULL) {
format = PyString_FromString("%s %s");
if (format == NULL)
return NULL;
}
if (self->first == NULL) {
PyErr_SetString(PyExc_AttributeError, "first");
return NULL;
}
if (self->last == NULL) {
PyErr_SetString(PyExc_AttributeError, "last");
return NULL;
}
args = Py_BuildValue("OO", self->first, self->last);
if (args == NULL)
return NULL;
result = PyString_Format(format, args);
Py_DECREF(args);
return result;
}
static PyMethodDef Noddy_methods[] = {
{"name", (PyCFunction)Noddy_name, METH_NOARGS,
"Return the name, combining the first and last name"
},
{NULL} /* Sentinel */
};
static PyTypeObject NoddyType = {
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"noddy.Noddy", /*tp_name*/
sizeof(Noddy), /*tp_basicsize*/
0, /*tp_itemsize*/
(destructor)Noddy_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
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*/
"Noddy objects", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
Noddy_methods, /* tp_methods */
Noddy_members, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)Noddy_init, /* tp_init */
0, /* tp_alloc */
Noddy_new, /* tp_new */
};
static PyMethodDef module_methods[] = {
{NULL} /* Sentinel */
};
#ifndef PyMODINIT_FUNC /* declarations for DLL import/export */
#define PyMODINIT_FUNC void
#endif
PyMODINIT_FUNC
initnoddy2(void)
{
PyObject* m;
if (PyType_Ready(&NoddyType) < 0)
return;
m = Py_InitModule3("noddy2", module_methods,
"Example module that creates an extension type.");
if (m == NULL)
return;
Py_INCREF(&NoddyType);
PyModule_AddObject(m, "Noddy", (PyObject *)&NoddyType);
}