[issue42035] [C API] PyType_GetSlot cannot get tp_name

[fancitron]

fancitron <fancitron at gmail.com> added the comment:

True enough.  Btw, PyType_FromSpec accepts Py_tp_doc (char *), Py_tp_base (PyTypeObject *), etc ... so to be strictly standard compliant, a union would be necessary.

PyType_GetName() sounds great.

One "proper" workaround at the moment is PyObject_GetAttrString(Py_TYPE(x), "__name__") and then process the result.  This is somewhat "heavy" and strips the module name.  "Py_tp_name" provides a convenient, exception safe, and backward compatible way to access tp_name.

What I actually do right now is to access the (opaque) PyTypeObject::tp_name by pointer offset.  This certain defies the purpose of stable ABI!

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