关闭lxml中没有文本的标签 [英] Close a tag with no text in lxml

问题描述

我正在尝试使用Python和lxml输出XML文件

I am trying to output a XML file using Python and lxml

但是，我注意到一件事，即如果一个标签没有文本，它就不会自动关闭.例如:

However, I notice one thing that if a tag has no text, it does not close itself. An example of this would be:

root = etree.Element('document')
rootTree = etree.ElementTree(root)
firstChild = etree.SubElement(root, 'test')

此输出为:

<document>
<test/>
</document

我希望输出为:

<document>
<test>
</test>
</document>

因此，基本上我想关闭一个没有文本但用于属性值的标签.我怎么做?而且，这种标签叫什么?我可以用Google搜索它，但是我不知道如何搜索它.

So basically I want to close a tag which has no text, but is used to the attribute value. How do I do that? And also, what is such a tag called? I would have Googled it, but I don't know how to search for it.

推荐答案

请注意，<test></test>和<test/>的含义完全相同.您想要的是测试标签实际上具有包含单个换行符的文本.但是，没有文本的空标签通常写为<test/>，而坚持将其显示为<test></test>几乎没有任何意义.

Note that <test></test> and <test/> mean exactly the same thing. What you want is for the test-tag to actually do have a text that consists in a single linebreak. However, an empty tag with no text is usually written as <test/> and it makes very little sense to insist on it to appear as <test></test>.

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