auth decorator

decorators.py

def login_required(fn):
    fn.authentication_required = True
    @wraps(fn)
    def inner(*args, **kwargs):
        from webservice_tools.response_util import ResponseObject
        response = ResponseObject()
        try:
            request = [a for a in args if hasattr(a, 'user')][0]
        except IndexError:
            return response.send(errors="Login required method called without request object", status=500)
        if request.user.is_authenticated():
            return fn(*args, **kwargs)

        return response.send(errors='401 -- Unauthorized', status=401)

    return inner