--- /dev/null
+
+/* Use this file as a template to start implementing a module that
+ also declares object types. All occurrences of 'Xxo' should be changed
+ to something reasonable for your objects. After that, all other
+ occurrences of 'xx' should be changed to something reasonable for your
+ module. If your module is named foo your sourcefile should be named
+ foomodule.c.
+
+ 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 'self'. If your object type is needed in
+ other files, you'll have to create a file "foobarobject.h"; see
+ intobject.h for an example. */
+
+/* Xxo objects */
+
+#include "Python.h"
+
+static PyObject *ErrorObject;
+
+typedef struct {
+ PyObject_HEAD
+ PyObject *x_attr; /* Attributes dictionary */
+} XxoObject;
+
+staticforward PyTypeObject Xxo_Type;
+
+#define XxoObject_Check(v) ((v)->ob_type == &Xxo_Type)
+
+static XxoObject *
+newXxoObject(PyObject *arg)
+{
+ XxoObject *self;
+ self = PyObject_New(XxoObject, &Xxo_Type);
+ if (self == NULL)
+ return NULL;
+ self->x_attr = NULL;
+ return self;
+}
+
+/* Xxo methods */
+
+static void
+Xxo_dealloc(XxoObject *self)
+{
+ Py_XDECREF(self->x_attr);
+ PyObject_Del(self);
+}
+
+static PyObject *
+Xxo_demo(XxoObject *self, PyObject *args)
+{
+ if (!PyArg_ParseTuple(args, ":demo"))
+ return NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyMethodDef Xxo_methods[] = {
+ {"demo", (PyCFunction)Xxo_demo, METH_VARARGS},
+ {NULL, NULL} /* sentinel */
+};
+
+static PyObject *
+Xxo_getattr(XxoObject *self, char *name)
+{
+ if (self->x_attr != NULL) {
+ PyObject *v = PyDict_GetItemString(self->x_attr, name);
+ if (v != NULL) {
+ Py_INCREF(v);
+ return v;
+ }
+ }
+ return Py_FindMethod(Xxo_methods, (PyObject *)self, name);
+}
+
+static int
+Xxo_setattr(XxoObject *self, char *name, PyObject *v)
+{
+ if (self->x_attr == NULL) {
+ self->x_attr = PyDict_New();
+ if (self->x_attr == NULL)
+ return -1;
+ }
+ if (v == NULL) {
+ int rv = PyDict_DelItemString(self->x_attr, name);
+ if (rv < 0)
+ PyErr_SetString(PyExc_AttributeError,
+ "delete non-existing Xxo attribute");
+ return rv;
+ }
+ else
+ return PyDict_SetItemString(self->x_attr, name, v);
+}
+
+statichere PyTypeObject Xxo_Type = {
+ /* The ob_type field must be initialized in the module init function
+ * to be portable to Windows without using C++. */
+ PyObject_HEAD_INIT(NULL)
+ 0, /*ob_size*/
+ "Xxo", /*tp_name*/
+ sizeof(XxoObject), /*tp_basicsize*/
+ 0, /*tp_itemsize*/
+ /* methods */
+ (destructor)Xxo_dealloc, /*tp_dealloc*/
+ 0, /*tp_print*/
+ (getattrfunc)Xxo_getattr, /*tp_getattr*/
+ (setattrfunc)Xxo_setattr, /*tp_setattr*/
+ 0, /*tp_compare*/
+ 0, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ 0, /*tp_as_mapping*/
+ 0, /*tp_hash*/
+};
+/* --------------------------------------------------------------------- */
+
+/* Function of two integers returning integer */
+
+static PyObject *
+xx_foo(PyObject *self, PyObject *args)
+{
+ long i, j;
+ long res;
+ if (!PyArg_ParseTuple(args, "ll:foo", &i, &j))
+ return NULL;
+ res = i+j; /* XXX Do something here */
+ return PyInt_FromLong(res);
+}
+
+
+/* Function of no arguments returning new Xxo object */
+
+static PyObject *
+xx_new(PyObject *self, PyObject *args)
+{
+ XxoObject *rv;
+
+ if (!PyArg_ParseTuple(args, ":new"))
+ return NULL;
+ rv = newXxoObject(args);
+ if ( rv == NULL )
+ return NULL;
+ return (PyObject *)rv;
+}
+
+/* Example with subtle bug from extensions manual ("Thin Ice"). */
+
+static PyObject *
+xx_bug(PyObject *self, PyObject *args)
+{
+ PyObject *list, *item;
+
+ if (!PyArg_ParseTuple(args, "O:bug", &list))
+ return NULL;
+
+ item = PyList_GetItem(list, 0);
+ /* Py_INCREF(item); */
+ PyList_SetItem(list, 1, PyInt_FromLong(0L));
+ PyObject_Print(item, stdout, 0);
+ printf("\n");
+ /* Py_DECREF(item); */
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+/* Test bad format character */
+
+static PyObject *
+xx_roj(PyObject *self, PyObject *args)
+{
+ PyObject *a;
+ long b;
+ if (!PyArg_ParseTuple(args, "O#:roj", &a, &b))
+ return NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+/* List of functions defined in the module */
+
+static PyMethodDef xx_methods[] = {
+ {"roj", xx_roj, METH_VARARGS},
+ {"foo", xx_foo, METH_VARARGS},
+ {"new", xx_new, METH_VARARGS},
+ {"bug", xx_bug, METH_VARARGS},
+ {NULL, NULL} /* sentinel */
+};
+
+
+/* Initialization function for the module (*must* be called initxx) */
+
+DL_EXPORT(void)
+initmkcwtest(void)
+{
+ PyObject *m, *d;
+
+ /* Initialize the type of the new type object here; doing it here
+ * is required for portability to Windows without requiring C++. */
+ Xxo_Type.ob_type = &PyType_Type;
+
+ /* Create the module and add the functions */
+ m = Py_InitModule("mkcwtest", xx_methods);
+
+ /* Add some symbolic constants to the module */
+ d = PyModule_GetDict(m);
+ ErrorObject = PyErr_NewException("xx.error", NULL, NULL);
+ PyDict_SetItemString(d, "error", ErrorObject);
+}
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