[issue40601] [C API] Hide static types from the limited C API

[Guido van Rossum]

Guido van Rossum <guido at python.org> added the comment:

FWIW I have an idea that would allow code using e.g. &PyList_Type to continue to work, and even ABI compatible (though only in the main interpreter).

// In some header file

PyAPI_FUNC(PyHeapTypeObject *) PyList_GetType();

#define PyList_Type (PyList_GetType()->ht_type)

For the main interpreter we could make this return the address of PyList_Type.

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nosy: +gvanrossum

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