def _fast_permalink(self):
        """Return the short permalink to the comment."""
        if hasattr(self, 'link_id'):  # from /r or /u comments page
            sid = self.link_id.split('_')[1]
        else:  # from user's /message page
            sid = self.context.split('/')[4]
        return urljoin(self.reddit_session.config['comments'], '{0}/_/{1}'
                       .format(sid, self.id))
Return the short permalink to the comment.
rtv/packages/praw/objects.py