Python基于正则表达式实现文件内容替换的方法

import osimport re#all file in the directoryfilelist = []#function to traverse the directorydef recurseDir(path): for i in os.listdir(path):  if os.path.isdir(path + '//' + i):   recurseDir(path + '//' + i)  else:   p = path + '//' + i   print p   filelist.append(p)#replace the file contentdef replace(strFind, strReplace, lines, fileIO): for s in lines:  if s.find(strFind) != -1:   foutput.write(s)  fileIO.write(s.replace(strFind, strReplace))rootpath = os.path.abspath('.')recurseDir(rootpath)pattern1 = re.compile(r'.+html')pattern2 = re.compile(r'.+js')for fileName in filelist: match1 = pattern1.match(fileName) match2 = pattern2.match(fileName) if match1 or match2:  lines = open(fileName).readlines()  fp = open(fileName + '.temp','w')  foutput = open("result.txt", 'w')  foutput.write(fileName)  if match1:   replace('<include file="./Tpl/', '<include file="./App/Tpl/', lines, fp)  if match2:   replace('xxx/index.php', 'index.php', lines, fp)  fp.close()  #delete original file  if os.path.exists(fileName):   os.remove(fileName);  #rename the temp file  os.rename(fileName + '.temp', fileName)