Gets a single space system by its unique name.

        :param str name: A fully-qualified XTCE name
        :rtype: .SpaceSystem

def get_space_system(self, name):
        """
        Gets a single space system by its unique name.

        :param str name: A fully-qualified XTCE name
        :rtype: .SpaceSystem
        """
        url = '/mdb/{}/space-systems{}'.format(self._instance, name)
        response = self._client.get_proto(url)
        message = mdb_pb2.SpaceSystemInfo()
        message.ParseFromString(response.content)
        return SpaceSystem(message)