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GeezerVison is showing github.com — Add vector call functions to the limited API · Issue #98586 · python/cpython

Add vector call functions to the limited API #98586

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#98587
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Add vector call functions to the limited API#98586
#98587
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topic-C-APItype-featureA feature request or enhancementA feature request or enhancement

Description

@wjakob
wjakob
opened on Oct 24, 2022
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Feature or enhancement

Starting 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.

Pitch

Since the PEP-590 is presumably stable at this point, I propose exposing more of it through the limited API. This would entail the functions

  • PyObject_Vectorcall
  • PyObject_VectorcallMethod
  • PyObject_VectorcallDict
  • PY_VECTORCALL_ARGUMENTS_OFFSET (a macro constant that is needed to use these effectively)

Previous discussion

Some 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.

  • PR: gh-98586: add whatsnew entry covering limited-API outgoing vector calls, related documentation fix #99056

Activity

  1. wjakob
    added
    type-featureA feature request or enhancementA feature request or enhancement
    on Oct 24, 2022

  2. wjakob commented on Oct 24, 2022

    @wjakob
    wjakob
    on Oct 24, 2022
    ContributorAuthor
    More actions

    PR #98587 contains a tentative set of changes realizing the addition of these functions.

  3. AlexWaygood
    added
    topic-C-API
    on Oct 24, 2022
  4. erlend-aasland
    linked a pull request that will close this issuegh-98586: Add vector call APIs to the Limited API #98587on Oct 24, 2022
  5. encukou
    closed this as completedin #98587on Oct 27, 2022
  6. encukou
    added a commit that references this issue on Oct 27, 2022

    gh-98586: Add vector call APIs to the Limited API (GH-98587)

    e60892f
  7. gvanrossum
    added a commit that references this issue on Oct 28, 2022

    pythongh-98586: Add vector call APIs to the Limited API (pythonGH-98587)

    1ec22b5
  8. wjakob
    added a commit that references this issue on Nov 3, 2022

    pythongh-98586: add whatsnew entry, related documentation fix

    11b4bca
  9. erlend-aasland
    added a commit that references this issue on Nov 6, 2022

    gh-98586: Add What's New entry and update docs (#99056)

    57a4052
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