让Python删除window下文件

#!/usr/bin/env python
import os
import shutil
import time
import datetime

path1='C:\\BACKUP_Queue_Broker_SHTumor_20130218\\Log\\'
#path2='C:\\BACKUP_Other_Broker_SHTumor_20130218\Log\\'
#path3='C:\\BACKUP_Schedule_Broker_SHTumor_20130807\\Log\\'

def deleteFile(path):
	today=datetime.datetime.today()
	file=os.listdir(path)
	for i in file:
		mtime=os.stat(path+i).st_mtime 
		#得到文件的修改时间标记
		format='%Y-%m-%d'
		value=time.localtime(mtime)
		dt=time.strftime(format,value)

		dt1=datetime.datetime.strptime(dt,format)
		#转换下时间格式
		today=(str(today))[:10]
		dt1=str(dt1)[:10]
		#print dt1
		#print today
		if dt1 < today :
			print "Begin To Delete File ", path+i
			os.remove(path+i)
		else:
			pass


deleteFile(path1)

#deleteFile(path2)

#deleteFile(path3)