python远程获取VPS代理IP，且设置到本机系统代理里面（完整脚本代码）

import time
import paramiko
import re
import winreg
import ctypes

#vps代理服务器配置
vps_host='ahtl.tpddns.cn'
vps_urer='root'
vps_pwd='x7Ez7Bc9Ef'
vps_port=1335

'''
定义一个类，表示一台远端linux主机
'''
class Linux(object):
    # 通过IP, 用户名，密码，超时时间初始化一个远程Linux主机
    def __init__(self, ip, username, password, port,timeout=10):
        self.ip = ip
        self.username = username
        self.password = password
        self.timeout = timeout
        self.port=port
        # transport和chanel
        self.t = ''
        self.chan = ''
        # 链接失败的重试次数
        self.try_times = 3

    # 调用该方法连接远程主机
    def connect(self):
        while self.try_times>0:
            # 连接过程中可能会抛出异常，比如网络不通、链接超时
            try:
                self.t = paramiko.Transport(sock=(self.ip, self.port))
                self.t.connect(username=self.username, password=self.password)
                self.chan = self.t.open_session()
                self.chan.settimeout(self.timeout)
                self.chan.get_pty()
                self.chan.invoke_shell()
                # 如果没有抛出异常说明连接成功，直接返回
                print('连接 %s 成功' % self.ip)
                # 接收到的网络数据解码为str
                # print(self.chan.recv(65535).decode('utf-8'))
                return
            # 这里不对可能的异常如socket.error, socket.timeout细化，直接一网打尽
            except Exception as e1:
                print(e1)
                if self.try_times != 0:
                    print('连接%s失败，进行重试' % self.ip)
                    self.try_times -= 1
                # else:
                #     print('重试 {} 3次失败，结束程序'.format(self.ip))
                #     # exit(1)


    # 断开连接
    def close(self):
        self.chan.close()
        self.t.close()

    # 发送要执行的命令
    def send(self, cmd):
        cmd += '\r'
        result = ''
        # 发送要执行的命令
        self.chan.send(cmd)
        # 回显很长的命令可能执行较久，通过循环分批次取回回显,执行成功返回true,失败返回false
        while True:
            time.sleep(0.5)
            ret = self.chan.recv(65535)
            ret = ret.decode('utf-8')
            result += ret
            return result
    '''
    发送文件
    @:param upload_files上传文件路径 例如：/tmp/test.py
    @:param upload_path 上传到目标路径 例如：/tmp/test_new.py
    '''
    def upload_file(self,upload_files,upload_path):
        try:
            tran=paramiko.Transport(sock=(self.ip, self.port))
            tran.connect(username=self.username, password=self.password)
            sftp = paramiko.SFTPClient.from_transport(tran)
            result=sftp.put(upload_files, upload_path)
            return True if result else False
        except Exception as ex:
            print(ex)
            tran.close()
        finally:
            tran.close()


'''刷新IP'''
def refresh_ip():
    try:
        host = Linux(vps_host, vps_urer, vps_pwd, vps_port)
        host.connect()
        host.send('pppoe-stop')
        time.sleep(3)
        host.send('pppoe-start')
        time.sleep(4)
        host.send('service tinyproxy restart')
        time.sleep(3)
        msg = host.send('ifconfig')
        p = "ppp0:\sflags=\d+\s+mtu\s\d+\s+inet ([\s\S+]*?)  netmask 255.255.255.255"
        new_ip=ip[0]+":8888" if(ip:=re.findall(p, msg)) else None
        print(new_ip)
        #如果IP不为空，则刷新系统IP
        if new_ip:
            # 如果从来没有开过代理 有可能健不存在 会报错
            INTERNET_SETTINGS = winreg.OpenKey(winreg.HKEY_CURRENT_USER,
                                               r'Software\Microsoft\Windows\CurrentVersion\Internet Settings',
                                               0, winreg.KEY_ALL_ACCESS)
            # 设置刷新
            INTERNET_OPTION_REFRESH = 37
            INTERNET_OPTION_SETTINGS_CHANGED = 39
            internet_set_option = ctypes.windll.Wininet.InternetSetOptionW

            def set_key(name, value):
                # 修改键值
                _, reg_type = winreg.QueryValueEx(INTERNET_SETTINGS, name)
                winreg.SetValueEx(INTERNET_SETTINGS, name, 0, reg_type, value)

            # 启用代理
            set_key('ProxyEnable', 1)  # 启用
            set_key('ProxyOverride', u'*.local;')  # 绕过本地
            set_key('ProxyServer', u'{}'.format(new_ip))  # 代理IP及端口，将此代理修改为自己的代理IP
            internet_set_option(0, INTERNET_OPTION_REFRESH, 0, 0)
            internet_set_option(0, INTERNET_OPTION_SETTINGS_CHANGED, 0, 0)
            # 停用代理
            set_key('ProxyEnable', 0)  # 停用
            internet_set_option(0, INTERNET_OPTION_REFRESH, 0, 0)
            internet_set_option(0, INTERNET_OPTION_SETTINGS_CHANGED, 0, 0)
            print("------设置代理成功")
    except Exception as ex:
        print(ex)
        pass

if __name__ == '__main__':
    refresh_ip()