code: def process_hashes(self, body, allow_create=False):
          
          hash_re = re.compile(self.hashtag_re)
          hashes = hash_re.findall(body)
          done = {self.topic.lower(): True}
          for mention in hashes:
              mention = mention.strip('#')
              if mention.lower() in done:
                  continue  # Do not duplicate hash mentions
              new_thread = self.__class__(
                  owner=self.owner, realm=self.realm, topic=mention,
                  user=self.user, token=self.token)
              my_comment = '# Hashtag copy from %s:\n%s' % (self.topic, body)
              new_thread.add_comment(
                  my_comment, allow_create=allow_create,
                  allow_hashes=False)  # allow_hashes=False to prevent inf loop
              done[mention.lower()] = True
docs: Process any hashes mentioned and push them to related topics.
  
          :arg body:    Body of the comment to check for hashes and push out.
  
          :arg allow_create=False:  Whether to allow creating new topics
                                    from hash tag mentions.
  
          ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
  
          PURPOSE:    Look for hashtags matching self.hashtag_re and when found,
                      add comment from body to those topics.