[issue43916] Check that new heap types cannot be created uninitialised: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag

STINNER Victor added the comment: > 3.9 is still affected; we should fix those types first. I'm against backporting the new type flag, but we can try to set explicitly tp_set to NULL *after* calling PyType_Ready(). -- ___ Python tracker

[issue43916] Check that new heap types cannot be created uninitialised: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag

Erlend E. Aasland added the comment: FYI: There are only two bug-fix releases left for 3.9. -- ___ Python tracker ___ ___

[issue43916] Check that new heap types cannot be created uninitialised: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag

Change by Erlend E. Aasland : -- title: Mark static types newly converted to heap types as immutable: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag -> Check that new heap types cannot be created uninitialised: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag

[issue43916] Check that new heap types cannot be created uninitialised: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag

Change by STINNER Victor : -- title: Check that new heap types cannot be created uninitialised -> Check that new heap types cannot be created uninitialised: add Py_TPFLAGS_DISALLOW_INSTANTIATION type flag ___ Python tracker