def auth_username(self, username):

        username = username.strip()
        if username:
            self.authentication['username'] = username
            self.prompt = 'Password: '
            self.log.debug(
                '[sref:%s] Received AUTH Username: %s', self.sessionRef, self.authentication['username'])

        return self.sendData()
Save typed username and prompt for password
dataset/ETHPy150Open jookies/jasmin/jasmin/protocols/cli/jcli.py/JCliProtocol.auth_username