ScoDoc/app/api/errors.py

# Authentication code borrowed from Miguel Grinberg's Mega Tutorial
# (see https://github.com/miguelgrinberg/microblog)

# Under The MIT License (MIT)

# Copyright (c) 2017 Miguel Grinberg

# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

from flask import jsonify
from werkzeug.http import HTTP_STATUS_CODES


def error_response(status_code, message=None):
    payload = {"error": HTTP_STATUS_CODES.get(status_code, "Unknown error")}
    if message:
        payload["message"] = message
    response = jsonify(payload)
    response.status_code = status_code
    return response


def bad_request(message):
    return error_response(400, message)