mac unzip chinese file name

unzip-gbk.py

#!/usr/bin/python
# -*- coding: utf-8 -*-
# unzip-gbk.py

import os
import sys
import zipfile

print "Processing File " + sys.argv[1]

file=zipfile.ZipFile(sys.argv[1],"r");
for name in file.namelist():
	utf8name=name.encode('utf8')
	print "Extracting " + utf8name
	pathname = os.path.dirname(utf8name)
	if not os.path.exists(pathname) and pathname!= "":
		os.makedirs(pathname)
	data = file.read(name)
	if not os.path.exists(utf8name):
		fo = open(utf8name, "w")
		fo.write(data)
		fo.close
file.close()