Comments (1)
A workaround for anyone facing this (NB: this assumes availability of typing.Annotated and pydantic.Field):
@app.get("/uuid/{path}")
-async def uuid_(path: UUID | str):
+async def uuid_(path: Annotated[UUID | str, Field(union_mode='left_to_right')]):
return str(type(path))
Pydantic v2 switched to union_mode='smart' as the default, which in cases like this will always prefer str (since it's an exact type match).
It's also necessary to do this in any dependencies (as far as I can tell, type annotations set on direct path parameters and function parameters of dependencies aren't shared).
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