import md5
expected = "4d91605f3023c4c8e62a51bce86f8cc7"
fname = r"stackless-252-export.tar.bz2"
print "expected digest", expected
received = md5.md5(file(fname, "rb").read()).hexdigest()
print ("matched", "NOT MATCHED!!") [received != expected]
raw_input("press enter to continue")