Verify git object with python!

gitverify.py

#!/usr/bin/python
# -*- coding: utf-8 -*-
import zlib,os,sys,hashlib

reload(sys) 
sys.setdefaultencoding('utf8') 

if len(sys.argv) < 2:
    print "Need the path of git object!"
    exit()
    
filePath = sys.argv[1]
fp = open(os.path.expanduser(filePath))
str = fp.read()
fp.close()
str = zlib.decompress(str)
print str

gitsha1 = hashlib.sha1()
gitsha1.update(str)
print gitsha1.hexdigest()

python gitverify.py ~/Projects/mygit/.git/objects/61/f26c0d181a3f3ae6c0db23c775856760040502