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PEP 637: Addnew slots to the C interface (#1750)

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Stefano Borini 2020-12-28 17:38:34 +00:00 committed by GitHub
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@ -606,7 +606,7 @@ need to be implemented to support the extended call. We propose
- ``PyObject_SetItemWithKeywords(PyObject *o, PyObject *key, PyObject *value, PyObject *kwargs)`` - ``PyObject_SetItemWithKeywords(PyObject *o, PyObject *key, PyObject *value, PyObject *kwargs)``
- ``PyObject_GetItemWithKeywords(PyObject *o, PyObject *key, PyObject *kwargs)`` - ``PyObject_GetItemWithKeywords(PyObject *o, PyObject *key, PyObject *kwargs)``
Additionally, new opcodes will be needed for the enhanced call. Currently, the New opcodes will be needed for the enhanced call. Currently, the
implementation uses ``BINARY_SUBSCR``, ``STORE_SUBSCR`` and ``DELETE_SUBSCR`` implementation uses ``BINARY_SUBSCR``, ``STORE_SUBSCR`` and ``DELETE_SUBSCR``
to invoke the old functions. We propose ``BINARY_SUBSCR_KW``, to invoke the old functions. We propose ``BINARY_SUBSCR_KW``,
``STORE_SUBSCR_KW`` and ``DELETE_SUBSCR_KW`` for the new operations. The ``STORE_SUBSCR_KW`` and ``DELETE_SUBSCR_KW`` for the new operations. The
@ -614,6 +614,15 @@ compiler will have to generate these new opcodes. The
old C implementations will call the extended methods passing ``NULL`` old C implementations will call the extended methods passing ``NULL``
as kwargs. as kwargs.
Finally, the following new slots must be added to the ``PyMappingMethods`` struct:
- ``mp_subscript_kw``
- ``mp_ass_subscript_kw``
These slots will have the appropriate signature to handle the dictionary object
containing the keywords.
Reference Implementation Reference Implementation
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