python Paramiko模块远程推送文件

#!/usr/bin/python

import paramiko

def push_file(file):
    f = open(file,‘r‘)
    running = 1
    while running:
        line = f.readline()
        if line != ‘‘:
            line = line.strip(‘\n‘)
            list = line.split(‘ ‘)
            ip = list[0]
            username = list[1]
            password = list[2]
            t = paramiko.Transport((ip,22))
            t.connect(username = username, password = password)
            sftp = paramiko.SFTPClient.from_transport(t)
            remotepath=‘/root/data/test.txt‘
            localpath=‘/root/data/test.txt‘
            sftp.put(localpath,remotepath)
            t.close()
        else:
            running = 0
    f.close()
push_file(‘host_list‘)