how to update objects?

[Mike 'Cat' Perkonigg]

loewis at informatik.hu-berlin.de (Martin von Loewis) wrote in 
<p6q4s7h5q63.fsf at informatik.hu-berlin.de>:

>noemail at nowhere.hades (Mike Cat) writes:
>
>> I update a class with 'reload (module)'.
>> How can I update the instances too?
>
>You'd have to find the instance one-by-one. If you manage to get hold
>of them, you can set their __class__ attribute to the new class:
>
>>>> class A:
>...   def doit(self):print "old"
>... 
>>>> a=A()
>>>> class A:
>...   def doit(self):print "new"
>... 
>>>> a.doit()
>old
>>>> a.__class__=A
>>>> a.doit()
>new
>
>Regards,
>Martin
>
>

Yes, I found this way too, but I thought there could be a better way (or 
maybe a cleaner) to do this.
Thank you!

Regards,
Mike