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Better fork support in cached FastPath instances #146228

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Better fork support in cached FastPath instances#146228
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jaraco
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stdlibStandard Library Python modules in the Lib/ directorytopic-importlibtype-featureA feature request or enhancement

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@jaraco
jaraco
opened on Mar 20, 2026

In python/importlib_metadata#520, we learned that the FastPath caches can cause problems with open zip files at the fork boundary. The fix was released in importlib_metadata 8.7.1. Let's sync that to CPython.

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  1. jaraco
    self-assigned this
    on Mar 20, 2026
  2. jaraco
    added a commit that references this issue on Mar 20, 2026

    gh-146228: Better fork support in cached FastPath (#146231)

    b5e4c46
  3. picnixz
    added
    type-featureA feature request or enhancement
    stdlibStandard Library Python modules in the Lib/ directory
    topic-importlib
    on Mar 20, 2026
  4. CuriousLearner
    added a commit that references this issue on Mar 22, 2026

    Merge remote-tracking branch 'upstream/main' into fix-pythongh-138577

    2691ad9
  5. jaraco
    closed this as completedon Mar 22, 2026
  6. ljfp
    added a commit that references this issue on Apr 25, 2026

    pythongh-146228: Better fork support in cached FastPath (python#146231)

    e142476
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stdlibStandard Library Python modules in the Lib/ directorytopic-importlibtype-featureA feature request or enhancement

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