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fastapi custom default exception handler

Yohannes Tesfay answered on September 9, 2022 Popularity 9/10 Helpfulness 4/10

answer fastapi custom default exception handler

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fastapi custom default exception handler

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from fastapi import FastAPI, HTTPException
from fastapi.exceptions import RequestValidationError
from fastapi.responses import PlainTextResponse
from starlette.exceptions import HTTPException as StarletteHTTPException

app = FastAPI()


@app.exception_handler(StarletteHTTPException)
async def http_exception_handler(request, exc):
    return PlainTextResponse(str(exc.detail), status_code=exc.status_code)


@app.exception_handler(RequestValidationError)
async def validation_exception_handler(request, exc):
    return PlainTextResponse(str(exc), status_code=400)


@app.get("/items/{item_id}")
async def read_item(item_id: int):
    if item_id == 3:
        raise HTTPException(status_code=418, detail="Nope! I don't like 3.")
    return {"item_id": item_id}

Popularity 9/10 Helpfulness 4/10 Language whatever

Source: fastapi.tiangolo.com

Tags: default exception fastapi handler whatever

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Contributed on Sep 09 2022

Yohannes Tesfay

0 Answers Avg Quality 2/10

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fastapi exception handler

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@app.exception_handler(RequestValidationError)
async def http_exception_accept_handler(request: Request, exc: RequestValidationError) -> Response:
    errors=exc.raw_errors[0].exc if exc.raw_errors and exc.raw_errors[0] else exc
    return await request_validation_exception_handler(request, errors)

Popularity 9/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: exception exce

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Contributed on Jun 14 2023

Wicked Wolf

0 Answers Avg Quality 2/10

fastapi custom default exception handler

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