Linux自動定時備份檔案夾Python指令碼

#!/usr/bin/python# -*- coding: utf-8 -*-import osimport reimport tarfileimport datetimeimport pexpectbasedir='/data/bak/'iplist=['167', '178', '179', '180', '181', '182']def get_list(txt_file):    ret_list = []    fin = open(txt_file,'r')    for line in fin:        if (re.match('^\\s*$',line)):     #跳過是空白的行             continue        else:            line = line.lstrip()            line = line.rstrip()  #將斷行符號（\n）去掉            ret_list.append(line)    #print('debug info of get_list :\n',ret_list)    return ret_list    def copy_svn(filelist): #這個函數主要是完成對檔案夾的打包工作    name= []    name=os.path.split(filelist)    now = datetime.datetime.now()    #filename = now.strftime(basedir + iplist[0]+name[-1]+ '_%Y%m%d_%H%M%S.dump')    #os.system('svnadmin dump ' + filelist +' > '+filename )      tarname =  now.strftime(basedir +iplist[0]+name[-1]+ '_%Y%m%d_%H%M%S.tar.gz')    #print tarname    tar = tarfile.open(tarname, 'w|gz')    tar.add(filelist+'/') #加最後的‘/’是為了打包目前的目錄，否則會將父目錄整體打包，為了保持與dump指令碼一致性做的修改    tar.close()        #調用pexcept    scp = pexpect.spawn('scp -r ' +  tarname  + ' root@IP:/data/databak/FilesBack/')    scp.expect('.ssword:*')    scp.sendline('密碼')      scp.expect(pexpect.EOF, timeout=None)         olddate = (now - datetime.timedelta(5)).strftime("%Y%m%d")    print olddate           for i in os.listdir(basedir):        file = re.search(r'\w*[_](\d{8})[_]\d{6}.(tar.gz|dump)', i)        #print i, file        if file and olddate>=file.group(1):            os.remove(basedir + file.group(0))            print 'del:', file.group(0)            filelog=open(basedir+"bak_doc.log", "a")            filelog.write("============DATE:%s============= \n"%now.strftime("%Y%m%d"))            filelog.write("del file:%s \n" % (basedir+file.group(0) ))            filelog.write("============DATE:%s============= \n"%now.strftime("%Y%m%d"))            filelog.close()                        def copy_files(txt_file):    geted_list = get_list(txt_file)    for file in geted_list:        copy_svn(file)    if __name__ == '__main__':    copy_files('/data/bak/bak_doc.txt')    print '='*20,'\ncopy_OKOKOK\n','='*20