python-telnetファーウェイスイッチにログインし、コマンドを実行

@Author: Mr.Li
@Date: 2019-12-26 10:00:50
@LastEditTime : 2020-02-26 17:28:46
@LastEditors  : Please set LastEditors
@Description: In User Settings Edit
@FilePath: \untitled\ssh.py
'''
import paramiko
from telnetlib import Telnet
import time
import 

class SshTool:
    def __init__(self, host: str, username: str, password: str, sysview: str):
        self.login_dict = {
            'host': host,
            'username': username,
            'password': password,
            'sysview': sysview,
        }

    def telnet_on(self, command: str):
        tn = Telnet(self.login_dict['host'], port=23, timeout=10)
        # tn.set_debuglevel(2)
        tn.read_until(b"Username:")
        tn.write(self.login_dict['username'].encode('ascii') + b'
')
        tn.read_until(b"Password:")
        tn.write(self.login_dict['password'].encode('ascii') + b'
')
        tn.read_until(b"Chaos")
        tn.write(self.login_dict['sysview'].encode('ascii') + b'
')

        tn.write(command.encode('ascii') + b'
')
        time.sleep(2)
        result_list = []
        # command_result = tn.read_very_eager().decode("ascii")
        # print(command_result)
        while (True):
            command_result = tn.read_very_eager().decode('ascii')
            result_list.append(command_result)
            if '---- More ----' in command_result.strip():
                tn.write(b" ")
                time.sleep(0.5)
            else:
                break
        result_str = "
".join(result_list)
        return result_str

from ssh import SshTool

if __name__ == '__main__':
    object_telnet = SshTool('172.16.20.254', 'root', 'password', 'system-view')
    result = object_telnet.telnet_on(input("     ："))
    print(result)