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Add sys._wasi_info #158628

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Add sys._wasi_info#158628
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brettcannon
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OS-wasiinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-featureA feature request or enhancement

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@brettcannon
brettcannon
opened on Oct 2, 2026

Feature or enhancement

It should probably cover:

  • WASI version (p1, etc. as done by Rust)
  • Full WASI SDK version
  • Whether cooperative multithreading was compiled in

os.uname().machine tells you whether it's wasm32 or 64, so this will be enough to calculate the host triple used for compiling.

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

https://bytecodealliance.zulipchat.com/#narrow/channel/394175-SIG-Guest-Languages/topic/Testing.20Python.20in.20wasi-libc.27s.20CI/near/612185469

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Activity

  1. brettcannon
    added
    type-featureA feature request or enhancement
    OS-wasi
    on Oct 2, 2026

  2. brettcannon commented on Oct 2, 2026

    @brettcannon
    brettcannon
    on Oct 2, 2026
    MemberAuthor

    https://discuss.python.org/t/not-using-structseq-in-sys/109328 is to discuss if not using structseq is okay.

  3. StanFromIreland
    added
    interpreter-core(Objects, Python, Grammar, and Parser dirs)
    on Oct 3, 2026

  4. brettcannon commented on Oct 8, 2026

    @brettcannon
    brettcannon
    on Oct 8, 2026
    MemberAuthor

    The discussion led to agreeing that using a namespace like sys.implementation and sys.abi_info made sense.

  5. brettcannon
    self-assigned this
    on Oct 8, 2026
  6. brettcannon
    added 2 commits that reference this issue on Oct 13, 2026

    pythonGH-158628: Implement `sys._wasi_info`

    9140c56

    GH-158628: Implement `sys._wasi_info` (GH-159039)

    084aff8
  7. brettcannon
    closed this as completedon Oct 15, 2026
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