#-*- coding:utf-8 -*-
from xml.etree import ElementTree
import os
import sys
reload(sys)
sys.setdefaultencoding( "utf-8" )

def convertfile(cachePath,orgPath):
 '''恢复文件'''
 start=0;
 while True:
  index = orgPath.find('\\', start)
  if index == -1:
   break
  start = index + 1

 orgDir=orgPath[:start]
 print 'orgDir:',orgDir

 if not os.path.exists(orgDir): 
  os.makedirs(orgDir) 
 if not os.path.exists(orgPath) or(os.path.exists(orgPath) and (os.path.getsize(orgPath) != os.path.getsize(cachePath))): 
  file_in=open(cachePath, "rb")
  file_out=open(orgPath, "wb")
  file_out.write(file_in.read()) 
  file_in.close()
  file_out.close()
 
 
def read_xml(text):
 '''读xml文件'''
 root = ElementTree.fromstring(text)
 
 lst_node = root.getiterator("record")
 for node in lst_node:
  cp=node.attrib['cachePath']
  op=node.attrib['orgPath']
  cp=cp.replace('~','.')
  op=op.replace('~','.')
  print cp+'->'+op
  convertfile(cp,op)
 
if __name__ == '__main__':
 '''将本文件放在云同步盘的根目录下，
  将mani_file改为需要恢复的manifest文件'''
 mani_file=".\\.baohe.cache\\.delete\\20140412\\manifest.xml"
 read_xml(open(mani_file).read())