# coding:utf-8import paramikoimport timeimport sys# Create your views here.# ====================================================# Author: chang - EMail:changbo@hmg100.com# Last modified: 2017-06-06# Filename: updateversion.py# Description: file upload ,base paramiko, sys, time# blog:http://www.cnblogs.com/changbo# ====================================================iplist = ['x.x.x.x']accpwd = {iplist[0]: 'xxxxx'}basefile = '/home/changbo'localpath = '/root/access.tar.gz'filename = 'access.tar.gz'# targetpath = '%s' % basefiletargetpath = '%s/%s' % (basefile, filename)class SSHSession:    def __init__(self, host, pwd, username='changbo', port=22):        self.host = host        self.port = port        self.username = username        self.pwd = pwd    def connect(self):        transport = paramiko.Transport((self.host, self.port))        transport.connect(username=self.username, password=self.pwd)        self.__transport = transport    def close(self):        self.__transport.close()    def progress_bar(self, transferred, toBeTransferred, suffix=''):        bar_len = 60        filled_len = int(round(bar_len * transferred / float(toBeTransferred)))        percents = round(100.0 * transferred / float(toBeTransferred), 1)        bar = '=' * filled_len + '-' * (bar_len - filled_len)        sys.stdout.write('Download [%s] %s%s ...%s\n' % (bar, percents, '%', suffix))        sys.stdout.flush()    def getloadfile(self, target_path, local_path):        ssh = paramiko.SSHClient()        ssh._transport = self.__transport        sftp = paramiko.SFTPClient.from_transport(self.__transport)        print('Download remote log file :')        sftp.get(target_path, local_path, callback=self.progress_bar)try:    ssh = SSHSession(iplist[0], accpwd[iplist[0]])    ssh.connect()    ssh.getloadfile(targetpath, localpath)except Exception as e:    print(e)

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