<host name>为远程计算机主机名（云服务器公网IP），<port>为端口号，云服务器默认为22，使用其他端口需要到安全组配置放开端口，<user name>为登录用户名，阿里云默认为root，<public key path>为登录云服务器的密钥文件路径
import os import paramiko class SCPTransmitter(): ``` Description: upload local files to remote server or download remote file to local dirctory by Secure Copy and SSH File Transfer Protocol Attributes: None ``` def __init__(self): self.hostname = '<host name>' self.port = <port> self.username = <user name> self.public_key = paramiko.RSAKey.from_private_key_file('<public key path>') self.scp = paramiko.Transport(self.hostname, self.port) self.scp.connect(username=self.username, pkey=self.public_key) self.sftp = paramiko.SFTPClient.from_transport(self.scp) ``` Description: download remote files from remote server Args: remote_path: remote dirctory of files wanna download local_path: local path to save files Returns: None ``` def download(self, remote_path, local_path): try: remote_files = self.sftp.listdir(remote_path) for file in remote_files: local_file = local_path + file print(local_file) remote_file = remote_path + file print(remote_file) self.sftp.get(remote_file, local_file) print("Successfully") except IOError: return ("remote_path or local_path is not exist") ``` Description: upload local files to remote server Args: remote_path: remote dirctory to save files local_path: local directory of files wanna upload ``` def upload(self, remote_path, local_path): try: local_files = os.listdir(local_path) print(local_files) for file in local_files: local_file = local_path + file print(local_file) remote_file = remote_path + file print(remote_file) self.sftp.put(local_file, remote_file) print("Successfully") except IOError: return ("remote_path or local_path is not exist") if __name__ == "__main__": remote_path = '/home/remote/' local_path = './res/remote/' transmitter = SCPTransmitter() transmitter.upload(remote_path, local_path)