telnet+ftp 对设备进行 操控 和 升级

import telnetlib
import time
from ftplib import FTP

class TelnetClient():
    def __init__(self,host_ip,username,password):
        self.tn = telnetlib.Telnet()
        self.host_ip = host_ip
        self.username = username
        self.password = password
    def login_host(self):
        try:
            self.tn.open(self.host_ip,port=23)
        except:
            print('%s网络连接失败'%self.host_ip)
            return False
        self.tn.read_until(b'login: ',timeout=10)
        self.tn.write(self.username.encode('ascii') + b'\n')
        self.tn.read_until(b'Password: ',timeout=10)
        self.tn.write(self.password.encode('ascii') + b'\n')
        command_result = self.tn.read_very_eager().decode('ascii')
        if 'Login incorrect' not in command_result:
            print('%s登录成功'%self.host_ip)
            return True
        else:
            print('%s登录失败,用户名或密码错误'%self.host_ip)
            return False

    def execute_some_command(self,command):
        self.tn.write(command.encode('ascii')+b'\n')
        time.sleep(5)
        print("\n***************************************************\n")
        command_result = self.tn.read_very_eager().decode('ascii')
        print('命令执行结果：\n%s' % command_result)
        print("\n***************************************************\n")
    def __del__(self):
        self.tn.write(b"exit\n")

def TelnetExecCmd(tn:TelnetClient,cmd:str) -> bool:
    if tn.login_host():
        tn.execute_some_command(cmd)
        tn.logout_host()
        return True
    else:
        return False 

class FtpClient():
    def __init__(self,ip:str,username:str,password:str) -> None:
        self.ip = ip
        self.user = username
        self.password = password
        self.ftp = FTP()
    def connect(self):
        try:
            self.ftp.set_debuglevel(2)
            self.ftp.connect(self.ip,port=21)
            self.ftp.login(self.user,self.password)
            print(self.ftp.getwelcome())
        except:
            print("ftp connect {} error ...".format(self.ip))
    def put(self,filename:str):
        try:
            fp = open(filename,"rb")
            self.ftp.storbinary("STOR "+filename,fp)
        except:
            print("ftp upload {} error".format(filename))
    def get(self,filename:str):
        try:
            fp = open(filename,"wb")
            self.ftp.retrbinary("RETR "+filename,fp.write)
        except:
            print("ftp get {} error".format(filename))
    def __del__(self):
        self.ftp.set_debuglevel(0)
        self.ftp.quit()

# AU DEVICE: 192.168.1.2
# RRU DEVICE: 192.168.98.98

if __name__ == '__main__':
    host_ip = '192.168.1.2'
    username = 'root'
    password = 'root'
    command = 'date'

# telnet_client = TelnetClient(host_ip,username,password)
# if TelnetExecCmd(telnet_client,command):
# print("Exec Successsful")
# else:
# print("Exec Failed")

    ftp = FtpClient(host_ip,username,password)
    ftp.connect()
    ftp.put("Image")
    time.sleep(3)
    ftp.get("hello_debg.tar.xz")