Mercurial > public > sg101
annotate core/html.py @ 645:99f7917702ca
Fix 081a88b3bfc8, javascript resize of forum images.
Commit 081a88b3bfc8 broke those pages that loaded forums.js but did not load
the imagesLoaded jQuery extension. Now we have arranged it so that only the
forums topic view loads imagesLoaded and put the resizing javascript inline.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Mon, 11 Mar 2013 15:30:25 -0500 |
| parents | ee87ea74d46b |
| children | ff645a692791 |
| rev | line source |
|---|---|
| bgneal@9 | 1 import html5lib |
| bgneal@9 | 2 from html5lib import sanitizer, treebuilders, treewalkers, serializer |
| bgneal@9 | 3 |
| bgneal@9 | 4 def sanitizer_factory(*args, **kwargs): |
| bgneal@9 | 5 san = sanitizer.HTMLSanitizer(*args, **kwargs) |
| bgneal@9 | 6 # This isn't available yet |
| bgneal@9 | 7 # san.strip_tokens = True |
| bgneal@9 | 8 return san |
| bgneal@9 | 9 |
| bgneal@9 | 10 def clean_html(buf): |
| bgneal@9 | 11 """Cleans HTML of dangerous tags and content.""" |
| bgneal@9 | 12 buf = buf.strip() |
| bgneal@9 | 13 if not buf: |
| bgneal@9 | 14 return buf |
| bgneal@9 | 15 |
| bgneal@9 | 16 p = html5lib.HTMLParser(tree=treebuilders.getTreeBuilder("dom"), |
| bgneal@9 | 17 tokenizer=sanitizer_factory) |
| bgneal@9 | 18 dom_tree = p.parseFragment(buf) |
| bgneal@9 | 19 |
| bgneal@9 | 20 walker = treewalkers.getTreeWalker("dom") |
| bgneal@9 | 21 stream = walker(dom_tree) |
| bgneal@9 | 22 |
| bgneal@9 | 23 s = serializer.htmlserializer.HTMLSerializer( |
| bgneal@9 | 24 omit_optional_tags=False, |
| bgneal@9 | 25 quote_attr_values=True) |
| bgneal@9 | 26 return s.render(stream) |
| bgneal@9 | 27 |
| bgneal@9 | 28 # vim: ts=4 sw=4 |