34 lines
792 B
Python
34 lines
792 B
Python
"""A set of basic callbacks for bleach.linkify."""
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from __future__ import unicode_literals
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def nofollow(attrs, new=False):
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href_key = (None, 'href')
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if href_key not in attrs:
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return attrs
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if attrs[href_key].startswith('mailto:'):
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return attrs
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rel_key = (None, 'rel')
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rel_values = [val for val in attrs.get(rel_key, '').split(' ') if val]
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if 'nofollow' not in [rel_val.lower() for rel_val in rel_values]:
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rel_values.append('nofollow')
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attrs[rel_key] = ' '.join(rel_values)
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return attrs
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def target_blank(attrs, new=False):
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href_key = (None, 'href')
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if href_key not in attrs:
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return attrs
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if attrs[href_key].startswith('mailto:'):
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return attrs
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attrs[(None, 'target')] = '_blank'
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return attrs
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