连接失败后恢复SFTP下载(pysftp / paramiko)

import pysftp
import paramiko
import time

host = 'SFTP服务器地址'
port = 22  # 默认端口为22
username = '用户名'
password = '密码'
remote_path = '远程文件路径'
local_path = '本地保存路径'

def sftp_download():
    while True:
        try:
            # 创建SFTP连接
            with pysftp.Connection(host, port=port, username=username, password=password) as sftp:
                # 下载文件
                sftp.get(remote_path, local_path)
                print('下载完成')
                break
        except (pysftp.ConnectionException, paramiko.AuthenticationException, paramiko.SSHException) as e:
            print('连接失败，等待5秒后重试')
            time.sleep(5)

sftp_download()