flask_exception_handler.py

from flask import make_response    

def protect_http_call(func):
    """
        Decorator that handles all standard and fall-through exceptions for a REST view.  Protect will swallow all exceptions.

        Args:
            func: Function to be wrapped and protected from raising

        Returns:
            Wrapper around the passed-in func
    """
    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        try:
            return func(*args, **kwargs)
        except Exception as ex:
            code = {
                'InvalidFieldsError': 400,
                'InvalidContentError': 400,
                'AuthorizationError': 401,
                'NotFoundError': 404,
            }.get(ex.__class__.__name__, 500)
            logger.exception(ex)
            print(ex.__class__.__name__, ex)
            return make_response(str(ex), code)
    return wrapper