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PEP 3123: Provide forward compatibility with Python 3.0, while keeping

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backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
PyVarObject_HEAD_INIT.
This commit is contained in:
Martin v. Löwis 2007-07-21 06:55:02 +00:00
parent b1994b4a5d
commit 6819210b9e
129 changed files with 1090 additions and 1250 deletions
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43
Objects/setobject.c
View file

@ -3,7 +3,7 @@
Written and maintained by Raymond D. Hettinger <python@rcn.com>
Derived from Lib/sets.py and Objects/dictobject.c.
Copyright (c) 2003-6 Python Software Foundation.
Copyright (c) 2003-2007 Python Software Foundation.
All rights reserved.
*/
@ -561,7 +561,7 @@ set_dealloc(PySetObject *so)
if (num_free_sets < MAXFREESETS && PyAnySet_CheckExact(so))
free_sets[num_free_sets++] = so;
else
so->ob_type->tp_free(so);
Py_Type(so)->tp_free(so);
Py_TRASHCAN_SAFE_END(so)
}
@ -860,8 +860,7 @@ fail:
}
static PyTypeObject PySetIter_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /* ob_size */
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"setiterator", /* tp_name */
sizeof(setiterobject), /* tp_basicsize */
0, /* tp_itemsize */
@ -987,7 +986,7 @@ make_new_set(PyTypeObject *type, PyObject *iterable)
(type == &PySet_Type || type == &PyFrozenSet_Type)) {
so = free_sets[--num_free_sets];
assert (so != NULL && PyAnySet_CheckExact(so));
so->ob_type = type;
Py_Type(so) = type;
_Py_NewReference((PyObject *)so);
EMPTY_TO_MINSIZE(so);
PyObject_GC_Track(so);
@ -1113,8 +1112,8 @@ set_swap_bodies(PySetObject *a, PySetObject *b)
memcpy(b->smalltable, tab, sizeof(tab));
}
if (PyType_IsSubtype(a->ob_type, &PyFrozenSet_Type) &&
PyType_IsSubtype(b->ob_type, &PyFrozenSet_Type)) {
if (PyType_IsSubtype(Py_Type(a), &PyFrozenSet_Type) &&
PyType_IsSubtype(Py_Type(b), &PyFrozenSet_Type)) {
h = a->hash; a->hash = b->hash; b->hash = h;
} else {
a->hash = -1;
@ -1125,7 +1124,7 @@ set_swap_bodies(PySetObject *a, PySetObject *b)
static PyObject *
set_copy(PySetObject *so)
{
return make_new_set(so->ob_type, (PyObject *)so);
return make_new_set(Py_Type(so), (PyObject *)so);
}
static PyObject *
@ -1203,7 +1202,7 @@ set_intersection(PySetObject *so, PyObject *other)
if ((PyObject *)so == other)
return set_copy(so);
result = (PySetObject *)make_new_set(so->ob_type, NULL);
result = (PySetObject *)make_new_set(Py_Type(so), NULL);
if (result == NULL)
return NULL;
@ -1390,7 +1389,7 @@ set_difference(PySetObject *so, PyObject *other)
return NULL;
}
result = make_new_set(so->ob_type, NULL);
result = make_new_set(Py_Type(so), NULL);
if (result == NULL)
return NULL;
@ -1491,7 +1490,7 @@ set_symmetric_difference_update(PySetObject *so, PyObject *other)
Py_INCREF(other);
otherset = (PySetObject *)other;
} else {
otherset = (PySetObject *)make_new_set(so->ob_type, other);
otherset = (PySetObject *)make_new_set(Py_Type(so), other);
if (otherset == NULL)
return NULL;
}
@ -1522,7 +1521,7 @@ set_symmetric_difference(PySetObject *so, PyObject *other)
PyObject *rv;
PySetObject *otherset;
otherset = (PySetObject *)make_new_set(so->ob_type, other);
otherset = (PySetObject *)make_new_set(Py_Type(so), other);
if (otherset == NULL)
return NULL;
rv = set_symmetric_difference_update(otherset, (PyObject *)so);
@ -1789,7 +1788,7 @@ set_reduce(PySetObject *so)
dict = Py_None;
Py_INCREF(dict);
}
result = PyTuple_Pack(3, so->ob_type, args, dict);
result = PyTuple_Pack(3, Py_Type(so), args, dict);
done:
Py_XDECREF(args);
Py_XDECREF(keys);
@ -1806,7 +1805,7 @@ set_init(PySetObject *self, PyObject *args, PyObject *kwds)
if (!PyAnySet_Check(self))
return -1;
if (!PyArg_UnpackTuple(args, self->ob_type->tp_name, 0, 1, &iterable))
if (!PyArg_UnpackTuple(args, Py_Type(self)->tp_name, 0, 1, &iterable))
return -1;
set_clear_internal(self);
self->hash = -1;
@ -1922,8 +1921,7 @@ PyDoc_STRVAR(set_doc,
Build an unordered collection of unique elements.");
PyTypeObject PySet_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /* ob_size */
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"set", /* tp_name */
sizeof(PySetObject), /* tp_basicsize */
0, /* tp_itemsize */
@ -2017,8 +2015,7 @@ PyDoc_STRVAR(frozenset_doc,
Build an immutable unordered collection of unique elements.");
PyTypeObject PyFrozenSet_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /* ob_size */
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"frozenset", /* tp_name */
sizeof(PySetObject), /* tp_basicsize */
0, /* tp_itemsize */
@ -2099,7 +2096,7 @@ PySet_Size(PyObject *anyset)
int
PySet_Clear(PyObject *set)
{
if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
if (!PyType_IsSubtype(Py_Type(set), &PySet_Type)) {
PyErr_BadInternalCall();
return -1;
}
@ -2119,7 +2116,7 @@ PySet_Contains(PyObject *anyset, PyObject *key)
int
PySet_Discard(PyObject *set, PyObject *key)
{
if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
if (!PyType_IsSubtype(Py_Type(set), &PySet_Type)) {
PyErr_BadInternalCall();
return -1;
}
@ -2129,7 +2126,7 @@ PySet_Discard(PyObject *set, PyObject *key)
int
PySet_Add(PyObject *set, PyObject *key)
{
if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
if (!PyType_IsSubtype(Py_Type(set), &PySet_Type)) {
PyErr_BadInternalCall();
return -1;
}
@ -2170,7 +2167,7 @@ _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, long *hash)
PyObject *
PySet_Pop(PyObject *set)
{
if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
if (!PyType_IsSubtype(Py_Type(set), &PySet_Type)) {
PyErr_BadInternalCall();
return NULL;
}
@ -2180,7 +2177,7 @@ PySet_Pop(PyObject *set)
int
_PySet_Update(PyObject *set, PyObject *iterable)
{
if (!PyType_IsSubtype(set->ob_type, &PySet_Type)) {
if (!PyType_IsSubtype(Py_Type(set), &PySet_Type)) {
PyErr_BadInternalCall();
return -1;
}