HTTPException usage in FastAPI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import HTTPException from FastAPI.

FastAPI

from fastapi import [1]

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AHTTPException

BRequest

CResponse

DDepends

Attempts:

3 left

💡 Hint

Common Mistakes

Importing unrelated classes like Request or Response.

Forgetting to import HTTPException before using it.

You need to import HTTPException from fastapi to raise HTTP errors.

2fill in blank

medium

Complete the code to raise a 404 HTTPException with a detail message.

FastAPI

raise HTTPException(status_code=[1], detail="Item not found")

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A302

B404

C500

D200

Attempts:

3 left

💡 Hint

Common Mistakes

Using 200 which means success.

Using 500 which means server error.

404 is the standard HTTP status code for 'Not Found'.

3fill in blank

hard

Fix the error in raising HTTPException with a missing status_code argument.

FastAPI

raise HTTPException([1]=401, detail="User not authorized")

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Adetail

Bmessage

Cstatus_code

Derror

Attempts:

3 left

💡 Hint

Common Mistakes

Using detail instead of status_code as the first argument.

Omitting the status_code argument entirely.

The status_code argument is required to specify the HTTP error code.

4fill in blank

hard

Fill both blanks to raise a 403 HTTPException with a custom detail message.

FastAPI

raise HTTPException(status_code=[1], detail=[2])

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A403

B"Access denied"

C"Not allowed"

D401

Attempts:

3 left

💡 Hint

Common Mistakes

Using 401 which means unauthorized, not forbidden.

Not quoting the detail message string.

403 means forbidden access. The detail message explains the reason.

5fill in blank

hard

Fill both blanks to raise a 422 HTTPException with a JSON detail explaining the error.

FastAPI

raise HTTPException(status_code=[1], detail=[2])

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A422

B{"error": "Invalid input"}

C"Invalid input"

D400

Attempts:

3 left

💡 Hint

Common Mistakes

Using 400 which is a bad request but less specific.

Passing detail as a plain string instead of JSON string.

422 means unprocessable entity. The detail can be a JSON string explaining the error.