>>> class Borg(object): __state = {} def __init__(self): self.__dict__ = self.__state # Any other class names/methods >>> b1 = Borg() >>> b2 = Borg() >>> b1 is b2 False >>> b1.datum = range(5) >>> b1.datum [0, 1, 2, 3, 4] >>> b2.datum [0, 1, 2, 3, 4] >>> b1.datum is b2.datum True >>> # For any datum!