Response Exception - Middleware for Django to return responses using exceptions

response_exception.py

"""
Contains the middleware class implementation for the ResponseException
"""

class ResponseException(Exception):
    def __init__(self, response):
        super(Exception, self).__init__()
        self.response = response

class ResponseExceptionMiddleware(object):
    def process_exception(self, request, exception):
        if isinstance(exception, ResponseException):
            return exception.response
        return None