FastAPI - Error Handling
Which of the following is the correct syntax to define a custom error response model for status code 404 in FastAPI?
Which of the following is the correct syntax to define a custom error response model for status code 404 in FastAPI?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall FastAPI response syntax
FastAPI expects theresponsesdictionary to map status codes to dictionaries with amodelkey.Step 2: Match the correct syntax
The correct syntax isresponses={404: {"model": ErrorModel}}to specify the model for 404 errors.Final Answer:
responses={404: {"model": ErrorModel}} -> Option DQuick Check:
Correct response syntax = status code mapped to dict with 'model' key [OK]
Quick Trick: Use responses={code: {"model": Model}} for error models [OK]
Common Mistakes:
MISTAKES- Using status code as string instead of int
- Assigning model instance instead of class
- Omitting the 'model' key inside the dictionary
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