34 lines
792 B
Python
34 lines
792 B
Python
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"""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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