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fix issue with field_serializers on nested typed dicts - #1879
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CodSpeed Performance ReportMerging #1879 will not alter performanceComparing Summary
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Viicos
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Viicos
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Nov 3, 2025
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…ntic-core#1879) Co-authored-by: Victorien <65306057+Viicos@users.noreply.github.com> Original-commit-link: pydantic/pydantic-core@bed9c14
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Change Summary
This cleans up a bunch of FIXME comments I left regarding
state.modelhandling in #1860.It turns out for the most part that a lot of the stuff going on in
fields.rswas redundant because model and dataclass serializers were already settingstate.model. However forTypedDict, the code infields.rswas supposed to be setting the model... but it was doing so extremely inconsistenty, and with problems for nested typed dicts.The added test fails on
main, passes the wrong typed dict to the nested field serializer.I simplified the control flow by just adding a thin
TypedDictSerializerwrapper which sets the state up in the same way as is done for models and dataclasses.Related issue number
N/A
Checklist
pydantic-core(except for expected changes)