import os
import timesource = ['D:\\MyDrivers\hotfix'] #这里可以用自然字符串表示r',因为windows下的分隔符与python的有冲突,所以需要转义字符\# 2. 备份文件到目标路径target_dir = 'F:\\DMDownLoad\\' #这里的末尾一定不要丢分隔符,否者创建的文件会在F:目录下,而不会在DMDownload目录下# 3. The files are backed up into a zip file.# 4. The current day is the name of the subdirectory in the main directorytoday = target_dir + time.strftime('%Y%m%d') #time.strftime表示对当前时间的调用,括号内为参数设定# The current time is the name of the zip archivenow = time.strftime('%H%M%S')# Take a comment from the user to create the name of the zip filecomment = raw_input('Enter a comment -->')if len(comment)==0: target = today+os.sep+now+'.zip' #os.sep表示目录符号,windows下是\\,linux下是/,mac下是:,这里为了保证移植性,所以os.sep会根据系统给出分隔符else: target = today+os.sep+now+'_'+\ comment.replace(' ','_')+'.zip' # Notice the backslash!# Create the subdirectory if it isn't already thereif not os.path.exists(today): os.mkdir(today) # make directory print('Successfully created directory', today)# 5. 用winrar的rar命令压缩文件,但首先要安装有winrar且设置winrar到环境变量的路径path中zip_command = "rar a %s %s" %(target,''.join(source))#这行命令之前的所有target 、target_dir、today这些都是字符串,只有在这个命令和os.makedir中才是真正的表示路径# Run the backup#设置winrar到path环境中,这里已经手动添加了,如果没有去掉#号#os.system('set Path=%Path%;C:\Program Files\WinRAR')if os.system(zip_command)==0: print'Successful backup to', targetelse: print'Backup FAILED'