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FastAPI Internals & Edge Cases — Series 2
Preview — 3 of 10 questions
A function-scoped yield dependency needs a request-scoped yield sub-dependency. Is this scope graph valid?
AOnly if response_model is disabled
BYes, the child can outlive its function-scoped consumer
CNo, every child must close before the parent
DOnly if the endpoint is synchronous
An endpoint returns a StreamingResponse that reads a database cursor supplied by a yield dependency. Which teardown timing protects the stream?
ARequest-scoped teardown after the response is sent
BFunction-scoped teardown before the response is sent
CApplication startup teardown
DTeardown as soon as the endpoint returns the iterator
A route uses responses={404: {"model": ErrorBody}}. What does that declaration itself do?
AMake every response a 404
BValidate every runtime 404 body automatically
CRegister a 404 exception handler globally
DDocument the extra response shape, without making the handler return 404
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