_client_commons.py 文件源码

def __validate(self):
        if type(self._key) == six.binary_type:
            self._key = KeySet(self._key)
        elif isinstance(self._key, KeySet):
            pass
        else:
            raise TypeError(
                'key must either be bytes or a KeySet object, not {}'.format(type(self._key)))

        if self._return_previous is not None and type(self._return_previous) != bool:
            raise TypeError('return_previous must be bool, not {}'.format(
                type(self._return_previous)))

        if self._key.type == KeySet._SINGLE:
            self._range_end = None
        elif self._key.type == KeySet._PREFIX:
            self._range_end = _increment_last_byte(self._key.key)
        elif self._key.type == KeySet._RANGE:
            self._range_end = self._key.range_end
        else:
            raise Exception('logic error')