mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-01 07:33:08 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

gh-95388: Deprecate creating immutable types with mutable bases (GH-95533)

Browse source
This commit is contained in:
Petr Viktorin 2022-08-04 16:13:45 +02:00 • committed by GitHub
parent 000c3874bf
commit a613fedd6e
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 80 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Modules/_testcapi/heaptype.c
View file

@ -365,6 +365,21 @@ create_type_from_repeated_slots(PyObject *self, PyObject *variant_obj)
}
static PyObject *
make_immutable_type_with_base(PyObject *self, PyObject *base)
{
assert(PyType_Check(base));
PyType_Spec ImmutableSubclass_spec = {
.name = "ImmutableSubclass",
.basicsize = (int)((PyTypeObject*)base)->tp_basicsize,
.slots = empty_type_slots,
.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_IMMUTABLETYPE,
};
return PyType_FromSpecWithBases(&ImmutableSubclass_spec, base);
}
static PyMethodDef TestMethods[] = {
{"pytype_fromspec_meta", pytype_fromspec_meta, METH_O},
{"test_type_from_ephemeral_spec", test_type_from_ephemeral_spec, METH_NOARGS},
@ -375,6 +390,7 @@ static PyMethodDef TestMethods[] = {
{"test_from_spec_invalid_metatype_inheritance",
test_from_spec_invalid_metatype_inheritance,
METH_NOARGS},
{"make_immutable_type_with_base", make_immutable_type_with_base, METH_O},
{NULL},
};