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Filter Python executables on Windows by Python version metadata #13927

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#15479
Open
Filter Python executables on Windows by Python version metadata#13927
#15479
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area:windowsSpecific to the Windows platformhelp wantedContribution especially encouragedperformance

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@zanieb
zanieb
opened on Jun 9, 2025

See astral-sh/ruff#18550 (comment)

Windows Python executables seem to have the Python version embedded in their metadata. This may be faster than querying the Python interpreter to get its version, which would speed up Python discovery on Windows when a specific version is requested.

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  1. zanieb
    added
    help wantedContribution especially encouraged
    performance
    on Jun 9, 2025
  2. AlexWaygood
    added
    area:windowsSpecific to the Windows platform
    on Jun 9, 2025

  3. zanieb commented on Jun 9, 2025

    @zanieb
    zanieb
    on Jun 9, 2025
    MemberAuthor

    See https://docs.rs/pelite/latest/pelite/resources/version_info/struct.VersionInfo.html

    I don't know if we want to add that as a dependency, but the object crate (which we use for PeFile currently) doesn't seem to include resource parsing.

  4. zanieb commented on Jun 12, 2025

    @zanieb
    zanieb
    on Jun 12, 2025
    MemberAuthor

    I took a shot at this in #13948 but ran into problems and don't have a Windows setup to debug easily.

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