Steven Bethard wrote: > Robin Becker wrote: > ....... > > Can you add the object to be observed as another parameter to the add > method? > > py> class ObservableProperty(property): > ... def __init__(self, *args, **kwargs): ...... > py> A.x.add(b, obs2) > py> b.x = 7 > obs2: 7 > > Probably "self._observers" should use some sort of weakref dict instead > of a regular dict, but hopefully the idea is clear. > > STeVe
yes I think this is what Alex is proposing. It probably means abandoning the class based observers entirely otherwise there would have to be a decision on whether the instance observers take priority and some argument convention on whether the class or the instance was being added to. -- Robin Becker -- http://mail.python.org/mailman/listinfo/python-list
