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