This framework has been posted before.

The solutions I write using homegrown utilities are both more elegant and faster than any framework or library I have ever seen posted to HN or recommended elsewhere. Not to mention smaller and more agile. IMHO.

All frameworks and libraries that I have seen will all fail given the right input i.e. fuzzing.

I think parsing and transforming the content from webpages is just viewed as work that no one wants to do because, for whatever reason, webpages are still unpredictable.