import md5
# An alternative interface for making MD5 signatures
class MD5:
def __init__(self):
self.sig = md5.new()
def __str__(self):
return self.sig.digest()
def __iadd__(self,other):
self.sig.update(other)
return self
>>> import sig
>>> m = sig.MD5()
>>> m += "Hello"
>>> m += "World"
>>> str(m)
'h\341\011\360\364\014\247*\025\340\\\302'\206\370\346'
>>> m += "Python"
>>> str(m)
'&\321\025;4m\254\216\223\375\030\333\264\263;\250'