nopaque/app/errors/handlers.py

from flask import jsonify, render_template, request, Response
from werkzeug.exceptions import HTTPException
from typing import Tuple, Union


def generic(error: HTTPException) -> Tuple[Union[str, Response], int]:
    ''' Generic error handler '''
    accent_json: bool = request.accept_mimetypes.accept_json
    accept_html: bool = request.accept_mimetypes.accept_html
    if accent_json and not accept_html:
        response: Response = jsonify(str(error))
        return response, error.code
    return render_template('errors/error.html.j2', error=error), error.code