python实现文件名批量替换和内容替换

#coding:utf-8
import os
import os.path

path='.'
oldStr='.php'
newStr='.html'

for (dirpath,dirnames,filenames) in os.walk(path):
    for file in filenames:
        if os.path.splitext(file)[1]=='.html':
            print(file)
            filepath=os.path.join(dirpath,file)
            try:
                text_file = open(filepath,"r")
                lines = text_file.readlines()
                text_file.close()
                output  = open(filepath,'w',encoding= 'utf-8')
                for line in lines:
                    #print(line)
                    if not line:
                        break
                    if(oldStr in line):
                        tmp = line.split(oldStr)
                        temp = tmp[0] + newStr + tmp[1]
                        output.write(temp)
                    else:
                        output.write(line)
                output.close()
            except Exception:
                print(Exception)
                break

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os,re

def multi_replace(text,adict):
    rx = re.compile('|'.join(map(re.escape,adict)))
    def xlat(match):
        return adict[match.group(0)]
    return rx.sub(xlat,text)

def batrename(curdir,pairs):
    for fn in os.listdir(curdir):
        newfn = multi_replace(fn,pairs)
        if newfn != fn:
            print("Renames %s to %s in %s." % (fn,newfn,curdir))
            os.rename(os.path.join(curdir,fn),os.path.join(curdir,newfn))
        file = os.path.join(curdir,newfn)

        if os.path.isdir(file):
            batrename(file,pairs)
            continue

        text = open(file).read()
        newtext = multi_replace(text,pairs)
        if newtext != text:
            print("Renames %s." % (file,))
            open(file,'w').write(newtext)

if __name__=="__main__":
    while True:
        oldname = raw_input("Old name: ")
        newname = raw_input("New name: ")
        if oldname and newname:
            batrename(os.path.abspath('.'),{oldname:newname})
        else: break