How to use the gear.thor.request.Restful function in gear

def set_endpoint(self, endpoint):
        restful = Restful(endpoint)
        self.transactions = restful.transactions
        self.blocks = restful.blocks
        self.accounts = restful.accounts
        self.logs = restful.logs
        self.debug = restful.debug

def __getattr__(self, resource):
        return Restful('%s/%s' % (self._endpoint, resource))

def __call__(self, parameter):
        if parameter is not None:
            return Restful('%s/%s' % (self._endpoint, parameter))
        return self

def __init__(self, endpoint):
        super(Restful, self).__init__()
        self._endpoint = endpoint