Python實作遠程檔案傳輸(socket) (paramiko)

環境

Python 3.7.4
socket
paramiko==2.7.1
CentOS Linux release 8.1.1911 (Core)

實作代碼

<host name>為遠程計算機主機名（云服務器公網IP），<port>為埠號，云服務器默認為22，使用其他埠需要到安全組配置放開埠，<user name>為登錄用戶名，阿里云默認為root，<public key path>為登錄云服務器的密鑰檔案路徑

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)

最后

由于博主水平有限，不免有疏漏之處，歡迎讀者隨時批評指正，以免造成不必要的誤解！

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