+ # Prevent crawlers from following links to generated pages
+ # and links added by potential spammers
+ if ss_class == 'external' or ss_class == 'navlink':
+ classattr += 'rel="nofollow" '
+ if authentication:
+ path = privileged_path()
+ else:
+ path = script_name()
+ return '<a %shref="%s/%s">%s</a>' % (classattr, path, params, text)