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"""A set of basic callbacks for bleach.linkify."""
from __future__ import unicode_literals
def nofollow(attrs, new=False):
if attrs['href'].startswith('mailto:'):
return attrs
rel = [x for x in attrs.get('rel', '').split(' ') if x]
if not 'nofollow' in [x.lower() for x in rel]:
rel.append('nofollow')
attrs['rel'] = ' '.join(rel)
return attrs
def target_blank(attrs, new=False):
if attrs['href'].startswith('mailto:'):
return attrs
attrs['target'] = '_blank'
return attrs
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