desec-stack/api/desecapi/exceptions.py

from rest_framework import status
from rest_framework.exceptions import APIException


class RequestEntityTooLarge(APIException):
    status_code = status.HTTP_413_REQUEST_ENTITY_TOO_LARGE
    default_detail = 'Payload too large.'
    default_code = 'too_large'


class PDNSException(APIException):
    def __init__(self, response=None):
        self.response = response
        detail = f'pdns response code: {response.status_code}, body: {response.text}' if response is not None else None
        return super().__init__(detail)


class ConcurrencyException(APIException):
    status_code = status.HTTP_429_TOO_MANY_REQUESTS
    default_detail = 'Too many concurrent requests.'
    default_code = 'concurrency_conflict'