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I want to convert HTML snippets like

<strong>Hi</strong><strong> </strong><em><strong>Tim</strong></em>

with any complexity or levels into

<strong>Hi <em>Tim</em></strong>.

The implementation should handle:

  • All tags
  • All attributes with any values (meaning that it distinguishes them correctly)
  • Adjacent equal tags (merge them)
  • Nested tags in any depth (reorder and merge them)
  • Maybe even know that some tags can be merged if they are separated by a space (like strong and em, but not u)

I thought I would find something in the BeautifulSoup or lxml packages or even Python itself. lxml's clean_html at first looked promising to me. But I couldn't find anything. I also searched for other packages (like https://github.com/matthiask/html-sanitizer/, http://countergram.github.io/pytidylib/) and questions (like BeautifulSoup - combine consecutive tags, Clean Up HTML in Python).

Code samples or links to packages are appreciated!

Improve this question
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  • BeautifulSoup - combine consecutive tags looks like exactly what you want; in what way is that insufficient? Commented Sep 6, 2018 at 21:37
  • @Hamms I should have mentioned that there can be any tags. E.g. <a>t1</a><b><c><a>t2</a></c><d class="x"><a><a>t3</a></a></d></b>. Commented Sep 6, 2018 at 23:55
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