data_collector.py 文件源码

def set_nickname(self, nickname):
        nickname = nickname.strip()

        # Do some basic validation of the nickname
        if len(nickname) > 19:
            logging.warning("Bad nickname length %d: %s", len(nickname), nickname)
            return False
        if not all(c in (string.ascii_letters + string.digits) for c in nickname):
            logging.warning("Bad nickname characters: %s", nickname)
            return False

        # Are we replacing an existing nickname?
        if self.nickname is not None:
            if self.nickname != nickname:
                logging.warning("Replacing nickname %s with %s", self.nickname, nickname)
            else:
                logging.debug("Duplicate nickname received %s", nickname)

        self.nickname = nickname

        return True