connection.py 文件源码

def set_item_cls(self, cls):
        """
        While the default item class is :py:class:`boto.sdb.item.Item`, this
        default may be overridden. Use this method to change a connection's
        item class.

        :param object cls: The new class to set as this connection's item
            class. See the default item class for inspiration as to what your
            replacement should/could look like.
        """
        self.item_cls = cls