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bpo-42866: Add traverse func to _multibytecodec.MultibyteCodec (GH-24166)

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Convert _multibytecodec.MultibyteCodec type to a GC type and adds a
traverse function.
This commit is contained in:
Victor Stinner 2021-01-08 15:43:59 +01:00 committed by GitHub
parent e542d417b9
commit 11ef53aefb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 3 deletions
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16
Modules/cjkcodecs/multibytecodec.c
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@ -721,11 +721,19 @@ static struct PyMethodDef multibytecodec_methods[] = {
{NULL, NULL},
};
static int
multibytecodec_traverse(PyObject *self, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(self));
return 0;
}
static void
multibytecodec_dealloc(MultibyteCodecObject *self)
{
PyObject_GC_UnTrack(self);
PyTypeObject *tp = Py_TYPE(self);
PyObject_Free(self);
tp->tp_free(self);
Py_DECREF(tp);
}
@ -733,13 +741,14 @@ static PyType_Slot multibytecodec_slots[] = {
{Py_tp_dealloc, multibytecodec_dealloc},
{Py_tp_getattro, PyObject_GenericGetAttr},
{Py_tp_methods, multibytecodec_methods},
{Py_tp_traverse, multibytecodec_traverse},
{0, NULL},
};
static PyType_Spec multibytecodec_spec = {
.name = MODULE_NAME ".MultibyteCodec",
.basicsize = sizeof(MultibyteCodecObject),
.flags = Py_TPFLAGS_DEFAULT,
.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
.slots = multibytecodec_slots,
};
@ -1944,11 +1953,12 @@ _multibytecodec___create_codec(PyObject *module, PyObject *arg)
return NULL;
_multibytecodec_state *state = _multibytecodec_get_state(module);
self = PyObject_New(MultibyteCodecObject, state->multibytecodec_type);
self = PyObject_GC_New(MultibyteCodecObject, state->multibytecodec_type);
if (self == NULL)
return NULL;
self->codec = codec;
PyObject_GC_Track(self);
return (PyObject *)self;
}