>  Sorry to be so fickle, but I think it's important to
>  get this right.

First of all, I'm giggling with python 2.2, and don't have a 2.1 over my
hands right now... so don't remember if this can work in 2.1 or if it's only
a 2.2 features... but...

The problem, if I've understood right, is to get only weakref from a call
like (sorry for the old name convenction...)
class A:
    def __init__(self):
        signals.map_signal(None,"SOMESIGNAL",self.slot_ProcessSomeSignal)

The code cannot be something like...

def map_signal(src,sig,handler):
...
...
if hasattr(handler,"im_self") and hasattr(handler,"im_class"):
    weakSelf = weakref.ref( handler.im_self )
    weakUnboundFunc = weakref.ref( handler.im_func )

in the case handler is an unbound method the handler.im_self is None, in
which case an obj parameter must be required by map_signal... and so on...

Sorry for the fast writing... but I'm in coffe break pause and must return
to a meeting in about one minute! ;((
Paolo Invernizzi