Python版RenameURLCode

# coding:utf-8
import os
import re

needToTransform = False
pathName = raw_input('Enter a directory name: ')
extName = raw_input('file extension: ')

fileList = os.listdir(pathName)
reg = r'.*\.'+extName

encodedURL = ['%5B', '%5D']
decodedURL = ['[', ']']

#REVERSE
# encodedURL = ['[', ']']
# decodedURL = ['%5B', '%5D']

finalFileName = []
originFileName = []

for fileName in fileList:	#列出指定目录下所有文件
if re.match(reg, fileName, re.I):	#列出所有PDF文件
for encodeIndex in encodedURL:	#循环判断单个PDF文件名是否包含URL字符
if(fileName.find(encodeIndex) != -1):	#列出所有包含URL字符的PDF文件
originFileName.append(fileName)
chIndex = 0
for encodeStrIndex in encodedURL:
fileName = fileName.replace(encodeStrIndex, decodedURL[chIndex])
chIndex+=1
finalFileName.append(fileName)
break
if len(originFileName) > 0:
needToTransform = True
print unicode('\n\t原始文件名：', 'utf8')
for i in originFileName:
print i
print '\n'+'='*100+'\n'
print unicode('\t转换文件名：', 'utf8')
for i in finalFileName:
print i
else:
print unicode('没有文件需要转换！', 'utf8')

while needToTransform:
print '\n'
confirm = raw_input('Sure to change file names as below? (Y/N): ')
if(confirm == 'y' or confirm == 'Y'):
fileIndex = 0
for originFileIndex in originFileName:
os.rename(pathName+'\\'+originFileIndex, pathName+'\\'+finalFileName[fileIndex])
fileIndex+=1
break
elif(confirm == 'n' or confirm == 'N'):
break