FastAPI - Error Handling
You want to create a FastAPI endpoint that raises a 401 Unauthorized error only if the user token is missing or invalid. Which code snippet correctly uses
HTTPException to do this?You want to create a FastAPI endpoint that raises a 401 Unauthorized error only if the user token is missing or invalid. Which code snippet correctly uses HTTPException to do this?
hard🚀 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Check correct condition and raising syntax
Usingif not tokencorrectly checks missing or falsy token, and raising HTTPException with status_code and detail is correct.Step 2: Identify errors in other options
Other options use wrong parameter names like code, message, or status, and one returns the exception instead of raising it.Final Answer:
if not token: raise HTTPException(status_code=401, detail="Unauthorized") -> Option CQuick Check:
Raise HTTPException with status_code and detail on missing token [OK]
Quick Trick: Raise HTTPException with status_code=401 for auth errors [OK]
Common Mistakes:
MISTAKES- Using wrong parameter names like code or status
- Returning exception instead of raising it
- Incorrect token check conditions
Master "Error Handling" in FastAPI
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