[issue43916] Check that new heap types cannot be created uninitialised

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

I have had this workaround in _hashopenssl.c for a while. Can I get rid of the function with "{Py_tp_new, NULL}" or is there a more generic way to accomplish the same goal?

/* {Py_tp_new, NULL} doesn't block __new__ */
static PyObject *
_disabled_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
    PyErr_Format(PyExc_TypeError,
        "cannot create '%.100s' instances", _PyType_Name(type));
    return NULL;
}

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nosy: +christian.heimes

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43916>
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