bpo-37207: enable vectorcall for type.__call__ (GH-14588)
Base PR for other PRs that want to play with `type.__call__` such as #13930 and #14589. The author is really @markshannon I just made the PR. https://bugs.python.org/issue37207 Automerge-Triggered-By: @encukou
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The vectorcall protocol is now enabled for ``type`` objects: set
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``tp_vectorcall`` to a vectorcall function to be used instead of ``tp_new``
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and ``tp_init`` when calling the class itself.
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@ -3614,7 +3614,7 @@ PyTypeObject PyType_Type = {
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sizeof(PyHeapTypeObject), /* tp_basicsize */
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sizeof(PyMemberDef), /* tp_itemsize */
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(destructor)type_dealloc, /* tp_dealloc */
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0, /* tp_vectorcall_offset */
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offsetof(PyTypeObject, tp_vectorcall), /* tp_vectorcall_offset */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_as_async */
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@ -3629,7 +3629,8 @@ PyTypeObject PyType_Type = {
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(setattrofunc)type_setattro, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
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Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS, /* tp_flags */
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Py_TPFLAGS_BASETYPE | Py_TPFLAGS_TYPE_SUBCLASS |
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_Py_TPFLAGS_HAVE_VECTORCALL, /* tp_flags */
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type_doc, /* tp_doc */
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(traverseproc)type_traverse, /* tp_traverse */
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(inquiry)type_clear, /* tp_clear */
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