def error_handler(response, **kwargs):
    """Error Handler to surface 4XX and 5XX errors.

    Attached as a callback hook on the Request object.

    Parameters
        response (requests.Response)
            The HTTP response from an API request.
        **kwargs
            Arbitrary keyword arguments.

    Raises
        ClientError (ApiError)
            Raised if response contains a 4XX status code.
        ServerError (ApiError)
            Raised if response contains a 5XX status code.

    Returns
        response (requests.Response)
            The original HTTP response from the API request.
    """
    try:
        body = response.json()
    except ValueError:
        body = {}
    status_code = response.status_code
    message = body.get('message', '')
    fields = body.get('fields', '')
    error_message = str(status_code) + ': ' + message + ' ' + str(fields)
    if 400 <= status_code <= 499:
        raise ClientError(response, error_message)

    elif 500 <= status_code <= 599:
        raise ServerError(response, error_message)

    return response
def error_handler ( response , ** kwargs ) : try : body = response . json ( ) except ValueError : body = { } status_code = response . status_code message = body . get ( 'message' , '' ) fields = body . get ( 'fields' , '' ) error_message = str ( status_code ) + ': ' + message + ' ' + str ( fields ) if 400 <= status_code <= 499 : raise ClientError ( response , error_message ) elif 500 <= status_code <= 599 : raise ServerError ( response , error_message ) return response
Error Handler to surface 4XX and 5XX errors.

    Attached as a callback hook on the Request object.

    Parameters
        response (requests.Response)
            The HTTP response from an API request.
        **kwargs
            Arbitrary keyword arguments.

    Raises
        ClientError (ApiError)
            Raised if response contains a 4XX status code.
        ServerError (ApiError)
            Raised if response contains a 5XX status code.

    Returns
        response (requests.Response)
            The original HTTP response from the API request.