. Python 2.1 function attributes

[Pekka Pessi]

In message <Pine.GSO.4.21.0101271303540.3501-100000 at y.glue.umd.edu> Roy Katz <katz at Glue.umd.edu> writes:
>Let's add bless().  I want to change the class of an object at
>runtime. How 'bout it?  

        How about this:

class sm:
    "State machine accepting ab*"
    def __init__(self):
	self.__class__ = a

    valid = 0

class a(sm):

    def a(self):
	self.__class__ = b

class b(sm):

    def b(self):
	pass

    valid = 1

        BTW, have you never looked in the source code of pickle?
       
                                        Pekka