如何在beautifulsoup中删除xml标头? [英] How to remove xml header in beautifulsoup?

问题描述

我已经导入并修改了一些xml，但是当我使用test.prettify()写出xml时.它将xml的顶行更改为

I have imported and modified some xml, but when I write out my xml using test.prettify(). It changes the top line of the xml from

<?xml version="1.0"?>

到

<?xml version="1.0" encoding="utf-8"?>

我不希望有此更改.我怎样才能保持第一行不变?最简单的方法是什么?

I don't want this change. How can I just keep the first line unchanged? What is the easiest way to do this?

如果有关系，我正在使用xml解析器.

If it matters, I'm using the xml parser.

soup = BeautifulSoup(r.text,'xml')

推荐答案

我敢肯定，有一个使用BeautifulSoup内置函数的更优雅的方法，但是根据您的评论，我会给您退出"版本:

I'm sure there's a more elegant way to do this using BeautifulSoup's built-ins, but based on your comment, I'll give you the "strip it out" version:

xml_string = '<?xml version="1.0" encoding="utf-8"?>'
print xml_string[:xml_string.find("encoding")-1] + "?>"

这足以从标头中剥离任何编码(而不仅仅是utf-8).

This is general enough to strip out any encoding from the header (not just utf-8).

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