unzip a zip file using Python. The zip may created in Win OS and would have a lot of gibberish in file name when unzipped in MAC OS, this simple snippet aim to solved the above problem stated.

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unzip.py

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

def unzip(zfile, md=False):
	basedir = ''
	if md:
		basedir = prepareBaseDir(zfile)
	
	zfile = zipfile.ZipFile(zfile, 'r')
	for name in zfile.namelist():
		uname = name.decode('gbk')
		if uname.endswith('.DS_Store'):
			continue
		
		#prepare directory
		dirs = os.path.dirname(uname)
		if basedir:
			dirs = os.path.join(basedir, dirs)
		print 'extracting: ' + uname
		if dirs and not os.path.exists(dirs):
			print 'prepare directories: ', dirs
			os.makedirs(dirs)
		
		#ready to unzip file
		data = zfile.read(name)
		if basedir:
			uname = os.path.join(basedir, uname)
		if not os.path.exists(uname):
			fo = open(uname, 'w')
			fo.write(data)
			fo.close()
	zfile.close()