通过python+ftps远程备份企业数

#coding:utf-8
import urllib,urllib2
from ftplib import FTP_TLS
import os
import re
import sys
import time
import zipfile
import datetime

YestodayDir = (datetime.date.today() - datetime.timedelta(days=1)).strftime("%Y%m%d")
file_root_dir= "D:\\backup"
TodayDir = str(time.strftime("%Y%m%d",time.localtime()))
TodayFileName = TodayDir + '.zip'
FLAG = 1
##压缩函数
def zip_dir(dirname,zipfilename):
    filelist = []
    if os.path.isfile(dirname):
        filelist.append(dirname)
    else :
        for root, dirs, files in os.walk(dirname):
            for name in files:
                filelist.append(os.path.join(root, name))
         
    zf = zipfile.ZipFile(zipfilename, "w", zipfile.zlib.DEFLATED)
    for tar in filelist:
        arcname = tar[len(dirname):]
        zf.write(tar,arcname)
    zf.close()
#创建以当前日期的目录，并删除昨天目录
def check_bak_dir():
    global FLAG
    os.chdir(file_root_dir)
    if os.path.exists(YestodayDir):
        os.system("rmdir %s /Q/S" %YestodayDir)    #删除昨天的备份
    else:
        pass
    if not os.path.exists(TodayDir):
        print("no %s" %TodayDir)
        os.mkdir(TodayDir) #创建目录
        FLAG = 0           #通过FLAg标志位来确定是否新创建目录
        return FLAG
    else:
        pass
    
    
      
###上传到服务器
def upload(filename):
    os.chdir(file_root_dir)
    ftp = FTP_TLS()
    ##此处填写你的ftp用户名和连接端口
    ftp.connect("Your ip or domain",port)
    ftp.login('ftpuser', ftpuser') 
    ftp.prot_p()
    ##服务器端存放的目录
    ftp.cwd("home/back")
  
    
    upload_file=unicode(filename, "utf8")  #windows
    f = open(upload_file, 'rb')
    ftp.storbinary('STOR %s' % os.path.basename(upload_file),f)
    f.close()
    ftp.quit
if __name__ == "__main__":
    check_bak_dir()
    
    if os.path.exists(TodayDir) and FLAG:     #如果目录存在前不是新创建，压缩上传
        print("Diractory is ziping ... ")
        zip_dir(TodayDir,TodayFileName)
        print("Upload bakcup ... ")
        upload(TodayFileName)
        print("Today %s upload success!" %TodayFileName)
        print