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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/ directoryStandard Library Python modules in the Lib/ directorytopic-importlibtype-featureA feature request or enhancementA feature request or enhancement
@jaraco

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@jaraco
jaraco
opened on Mar 20, 2026
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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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stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytopic-importlibtype-featureA feature request or enhancementA feature request or enhancement

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