View source for Simplifying HTML by removing "invisible" parts

Use lxml to simplify an HTML page

<source lang="python">
import lxml.html.clean
lxml.html.clean.clean_html(source)
</source>

example:
<nowiki>
 lxml.html.clean.clean_html("<html><head><title>Hello</title><script>var foo=3;</script></head><body><p>This is <u>some crazy text</u>. OK!</body></html>")
</nowiki>

result:

 '<div>Hello<body><p>This is <u>some crazy text</u>. OK!</p></body></div>'