将elementtree转储到xml文件中 [英] Dump elementtree into xml file

问题描述

我用这样的东西创建了一个xml树

I created an xml tree with something like this

top = Element('top')
child = SubElement(top, 'child')
child.text = 'some text'

如何将其转储为XML文件?我尝试了 top.write(filename)，但是该方法不存在.

how do I dump it into an XML file? I tried top.write(filename), but the method doesn't exist.

推荐答案

您需要实例化

You need to instantiate an ElementTree object and call write() method:

import xml.etree.ElementTree as ET

top = ET.Element('top')
child = ET.SubElement(top, 'child')
child.text = 'some text'

tree = ET.ElementTree(top)
tree.write('output.xml')

运行代码后 output.xml 的内容:

<top><child>some text</child></top>

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