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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
vstinner 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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Address review: improve comments
  • Loading branch information
Erlend E. Aasland committed Apr 30, 2021
commit fd929c014bf0620748c25c32378505db69fde58f
12 changes: 8 additions & 4 deletions Objects/typeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -463,12 +463,14 @@ check_set_special_type_attr(PyTypeObject *type, PyObject *value, const char *nam
{
if (_PyType_HasFeature(type, Py_TPFLAGS_IMMUTABLETYPE)) {
PyErr_Format(PyExc_TypeError,
"can't set '%r' attribute of immutable type %s", name, type->tp_name);
"cannot set '%r' attribute of immutable type '%s'",
name, type->tp_name);
return 0;
}
if (!value) {
PyErr_Format(PyExc_TypeError,
"can't delete %s.%s", type->tp_name, name);
"cannot delete '%r' attribute of immutable type '%s'",
name, type->tp_name);
return 0;
}

Expand Down Expand Up @@ -974,7 +976,9 @@ static int
type_set_annotations(PyTypeObject *type, PyObject *value, void *context)
{
if (_PyType_HasFeature(type, Py_TPFLAGS_IMMUTABLETYPE)) {
PyErr_Format(PyExc_TypeError, "can't set attributes of built-in/extension type '%s'", type->tp_name);
PyErr_Format(PyExc_TypeError,
"cannot set '__annotations__' attribute of immutable type '%s'",
type->tp_name);
return -1;
}

Expand Down Expand Up @@ -3947,7 +3951,7 @@ type_setattro(PyTypeObject *type, PyObject *name, PyObject *value)
if (type->tp_flags & Py_TPFLAGS_IMMUTABLETYPE) {
PyErr_Format(
PyExc_TypeError,
"can't set attributes of built-in/extension type '%s'",
"cannot set attributes of immutable type '%s'",
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type->tp_name);
return -1;
}
Expand Down