1 2 3 4 5 6 7 8 9 10 11 12 | from django.template import Library import re register = Library() r_nofollow = re.compile('<a (?![^>]*nofollow)') s_nofollow = '<a rel="nofollow" ' def nofollow(value): return r_nofollow.sub(s_nofollow, value) register.filter(nofollow) |
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Comments
You can use also jQuery like:
$(".comment a").attr({rel: "nofollow"});
to add rel="nofollow" attribute to all a within class .comment
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@polarbear
This would not work. I doubt that Google interprets JavaScript to check if it may or may not contribute the current sites pagerank to a link.
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One small issue with this is that the regex doesn't match when you just add the text "nofollow" somewhere in one of the links being tested e.g: an href with a fragment-identifier like so: "blah.com#nofollow"
The following regex prevents bypassing the filter in this way
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