使用python备份svn库

#!/usr/bin/env python

# -*- coding:utf-8 -*-

import os

import subprocess

import datetime,time

import sys

import tarfile

src_dir = 'svn'

dst_dir = '/data/backup/'

flname = datetime.date.today().isoformat()

now = time.strftime("%Y-%m-%d %H:%M:%S",time.localtime())

def writelog(status):

    f = open("/data/backup.log","a")

    f.write('\n'+now)

    f.write(status)

    f.close()

def compressing():

    tar = tarfile.open(dst_dir+flname+'.bz2','w|bz2')

    tar.add(src_dir)

    tar.close()

    writelog("   Compressing file.....")

def deloldfile():

    subprocess.call("find /data/backup/ -mtime +30 | xargs rm -f",shell=True)

    writelog("   Delete the old file......")

def main():

    os.chdir("/data")

    compressing()

    deloldfile()

if __name__ == '__main__':

    main()