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v0.5.1
v0.5.1
https://github.com/python/cpython
Revision f1e89b1fc73f7b9647977f92c7b0c937139903d6 authored by Martin v. Löwis on 18 May 2003, 13:40:03 UTC, committed by Martin v. Löwis on 18 May 2003, 13:40:03 UTC
1 parent 0ea0a18
Tip revision: f1e89b1fc73f7b9647977f92c7b0c937139903d6 authored by Martin v. Löwis on 18 May 2003, 13:40:03 UTC
Correct typo in check for _tkinter prerequisites. Backport of 1.162.
Correct typo in check for _tkinter prerequisites. Backport of 1.162.
Tip revision: f1e89b1
xxobject.c
/* Use this file as a template to start implementing a new object type.
If your objects will be called foobar, start by copying this file to
foobarobject.c, changing all occurrences of xx to foobar and all
occurrences of Xx by Foobar. You will probably want to delete all
references to 'x_attr' and add your own types of attributes
instead. Maybe you want to name your local variables other than
'xp'. If your object type is needed in other files, you'll have to
create a file "foobarobject.h"; see intobject.h for an example. */
/* Xx objects */
#include "Python.h"
typedef struct {
PyObject_HEAD
PyObject *x_attr; /* Attributes dictionary */
} xxobject;
staticforward PyTypeObject Xxtype;
#define is_xxobject(v) ((v)->ob_type == &Xxtype)
static xxobject *
newxxobject(PyObject *arg)
{
xxobject *xp;
xp = PyObject_NEW(xxobject, &Xxtype);
if (xp == NULL)
return NULL;
xp->x_attr = NULL;
return xp;
}
/* Xx methods */
static void
xx_dealloc(xxobject *xp)
{
Py_XDECREF(xp->x_attr);
PyObject_DEL(xp);
}
static PyObject *
xx_demo(xxobject *self, PyObject *args)
{
if (!PyArg_ParseTuple(args, ":demo"))
return NULL;
Py_INCREF(Py_None);
return Py_None;
}
static PyMethodDef xx_methods[] = {
{"demo", (PyCFunction)xx_demo, METH_VARARGS},
{NULL, NULL} /* sentinel */
};
static PyObject *
xx_getattr(xxobject *xp, char *name)
{
if (xp->x_attr != NULL) {
PyObject *v = PyDict_GetItemString(xp->x_attr, name);
if (v != NULL) {
Py_INCREF(v);
return v;
}
}
return Py_FindMethod(xx_methods, (PyObject *)xp, name);
}
static int
xx_setattr(xxobject *xp, char *name, PyObject *v)
{
if (xp->x_attr == NULL) {
xp->x_attr = PyDict_New();
if (xp->x_attr == NULL)
return -1;
}
if (v == NULL) {
int rv = PyDict_DelItemString(xp->x_attr, name);
if (rv < 0)
PyErr_SetString(PyExc_AttributeError,
"delete non-existing xx attribute");
return rv;
}
else
return PyDict_SetItemString(xp->x_attr, name, v);
}
static PyTypeObject Xxtype = {
PyObject_HEAD_INIT(&PyType_Type)
0, /*ob_size*/
"xx", /*tp_name*/
sizeof(xxobject), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
(destructor)xx_dealloc, /*tp_dealloc*/
0, /*tp_print*/
(getattrfunc)xx_getattr, /*tp_getattr*/
(setattrfunc)xx_setattr, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
};
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