[Python-3000] Weakref protocol? (Re: weakrefs of bound methods)

[Greg Ewing]

Phillip J. Eby wrote:
> So, Nick's query is (in effect), can we either:
> 
> 1. make ref(method) create a "weak method" instead, or
> 
> 2. make ref(method) an error instead of useless behavior that gives 
> you the illusion of working code

Maybe what we want here is a weakref protocol. So instead
of weakref() directly creating a weak ref object, it would
call __weakref__ on its argument.

Most objects would respond by creating a standard weak
ref object, but special cases such as bound methods
could do something different.

-- 
Greg