python通过pysftp加密上传、下载ftp服务器文件

import pysftp  import sys      # Defines the name of the file for download / upload  remote_file = sys.argv[1]      srv = pysftp.Connection(host="your_FTP_server", username="your_username",  password="your_password")      # Download the file from the remote server  srv.get(remote_file)      # To upload the file, simple replace get with put.  srv.put(remote_file)      # Closes the connection  srv.close()