__init__.py 文件源码

def become_child_element_of(self, element_tree):
        """Converts this object into an etree element and adds it as a child
        node in an etree element.

        Adds self to the ElementTree. This method is required to avoid verbose
        XML which constantly redefines the namespace.

        :param element_tree: ElementTree._Element The element to which this
            object's XML will be added.
        """
        new_element = self.transfer_to_element_tree()
        element_tree.append(new_element)