@classmethod
def get_by_uuid(cls, context, uuid):
    """Find a node based on UUID and return a Node object.

        :param cls: the :class:`Node`
        :param context: Security context
        :param uuid: the UUID of a node.
        :returns: a :class:`Node` object.
        """
    db_node = cls.dbapi.get_node_by_uuid(uuid)
    node = cls._from_db_object(context, cls(), db_node)
    return node
