Python使用paramiko库从Linux服务器远程下载文件的实现方法

#!/usr/local/bin/python
# encoding:utf-8
 
import paramiko
import os
 
HOST_IP='59.110.12.72'
REMOTE_PATH='/proc'
REMOTE_FILENAME='meminfo'
LOCAL_PATH='./proc'
USERNAME='niu'
PASSWORD='123456'
 
def remote_scp(host_ip,remote_path,local_path,file_name,username,password):
 t = paramiko.Transport((host_ip,22))
 t.connect(username=username, password=password) # 登录远程服务器
 sftp = paramiko.SFTPClient.from_transport(t) # sftp传输协议
 src = remote_path+'/'+file_name
 des = local_path+'/'+file_name
 sftp.get(src,des)
 t.close()
 
 
if not os.path.isdir(LOCAL_PATH):
 os.makedirs(LOCAL_PATH)
if not os.path.isfile(LOCAL_PATH+'/'+REMOTE_FILENAME):
 fp=open(LOCAL_PATH+'/'+REMOTE_FILENAME,'w')
 fp.close()
 
remote_scp(HOST_IP,REMOTE_PATH,LOCAL_PATH,REMOTE_FILENAME,USERNAME,PASSWORD)