[Python-Dev] HTMLParser and HTML5

[Glyph Lefkowitz]

On Jul 29, 2011, at 3:00 PM, Matt wrote:

> I don't see any real reason to drop a decent piece of code (HTMLParser, that is) in favor of a third party library when only relatively minor updates are needed to bring it up to speed with the latest spec.

I am not really one to throw stones here, as Twisted contains a lenient pseudo-XML parser which I still maintain - one which decidedly does not agree with html5's requirements for dealing with invalid data, but just a bunch of ad-hoc guesses of my own.

My impression of HTML5 is that HTMLParser would require significant modifications and possibly a drastic re-architecture in order to really do HTML5 "right"; especially the parts that the html5lib authors claim makes HTML5 streaming-unfriendly, i.e. subtree reordering when encountering certain types of invalid data.

But if I'm wrong about that, and there are just a few spec updates and bugfixes that need to be applied, by all means, ignore my comment.

-glyph


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