King wrote: > My mistake... > The correct __slots__ is like: > __slots__ = ['_Attribute_name', '_Attribute_type', '_Attribute_range', > 'label'] > > Could you please suggest an alternative or code improvement for the > matter.
How about class AttributesMixin(object): """Warning: If you change name, type, or range of an existing object your computer will explode and you will have noone else to blame. """ def __init__(self, name=None, type=None, range=None, label=None): self.name = name self.type = type self.range = range self.label = label class Float(float, AttributesMixin): pass class Int(int, AttributesMixin): pass Now go and write something useful :-) Peter -- http://mail.python.org/mailman/listinfo/python-list