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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add vector call functions to the limited API","articleBody":"# Feature or enhancement\r\n\r\nStarting in Python 3.12, it is possible to _receive_ vector calls in the limited API. However, it is not possible to _issue_ them from a binary extension module compiled for the limited API.\r\n\r\n# Pitch\r\n\r\nSince the PEP-590 is presumably stable at this point, I propose exposing more of it through the limited API. This would entail the functions\r\n\r\n- `PyObject_Vectorcall`\r\n- `PyObject_VectorcallMethod`\r\n- `PyObject_VectorcallDict`\r\n- `PY_VECTORCALL_ARGUMENTS_OFFSET` (a macro constant that is needed to use these effectively)\r\n\r\n# Previous discussion\r\n\r\nSome related discussion took place here: https://discuss.python.org/t/ideas-for-forward-compatible-and-fast-extension-libraries-in-python-3-12. This PR Is specifically about item #5 from the list in the first post.\r\n\n\n\u003c!-- gh-pr-number: gh-99056 --\u003e\n* PR: gh-99056\n\u003c!-- /gh-pr-number --\u003e\n","author":{"url":"https://github.com/wjakob","@type":"Person","name":"wjakob"},"datePublished":"2022-10-24T08:29:14.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/98586/cpython/issues/98586"}