import md5
expected = "7ad34f27d39fbaf40f384f00da224389"
fname = r"python-2.5.5-stackless.msi"
print "expected digest", expected
received = md5.md5(file(fname, "rb").read()).hexdigest()
print ("matched", "NOT MATCHED!!") [received != expected]
raw_input("press enter to continue")