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bpo-43908: check_set_special_type_attr() and type_set_annotations() now check for immutable flag #25743

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Merged
merged 8 commits into from
Apr 30, 2021
Merged

bpo-43908: check_set_special_type_attr() and type_set_annotations() now check for immutable flag #25743

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ce4113f
check_set_special_type_attr() now checks for Py_TPFLAGS_IMMUTABLETYPE…
Apr 30, 2021
af09ad6
type_set_annotations now check for immutable flag iso. heap type flag
Apr 30, 2021
392af9c
Advertise immutable flag in error message
Apr 30, 2021
fd929c0
Address review: improve comments
Apr 30, 2021
52795a4
Fix formatting
Apr 30, 2021
817b8cf
Update Objects/typeobject.c
vstinner Apr 30, 2021
b464ab5
Don't need quotes when using %R
Apr 30, 2021
10b0071
Fix test_descr
vstinner Apr 30, 2021
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4 changes: 2 additions & 2 deletions Objects/typeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -461,7 +461,7 @@ static PyMemberDef type_members[] = {
static int
check_set_special_type_attr(PyTypeObject *type, PyObject *value, const char *name)
{
if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
if (_PyType_HasFeature(type, Py_TPFLAGS_IMMUTABLETYPE)) {
PyErr_Format(PyExc_TypeError,
"can't set %s.%s", type->tp_name, name);
return 0;
Expand Down Expand Up @@ -973,7 +973,7 @@ type_get_annotations(PyTypeObject *type, void *context)
static int
type_set_annotations(PyTypeObject *type, PyObject *value, void *context)
{
if (!(type->tp_flags & Py_TPFLAGS_HEAPTYPE)) {
if (_PyType_HasFeature(type, Py_TPFLAGS_IMMUTABLETYPE)) {
PyErr_Format(PyExc_TypeError, "can't set attributes of built-in/extension type '%s'", type->tp_name);
return -1;
}
Expand Down