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bpo-45383: Get metaclass from bases in PyType_From* (GH-28748) This checks the bases of of a type created using the FromSpec API to inherit the bases metaclasses. The metaclass's alloc function will be called as is done in `tp_new` for classes created in Python. Co-authored-by: Petr Viktorin <encukou@gmail.com> Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>
2022-06-09 12:11:08 -03:00
The :c:func:`PyType_FromSpec` API will now find and use a metaclass
based on the provided bases.
An error will be raised if there is a metaclass conflict.