How to list the superclassesof an object

[Michele Simionato]

Fernando Rodriguez <frr at easyjob.net> wrote in message news:
> Where can I find info about the differences / advantages of
> these new classes? 

Alex Martelli's book and Guido's essay:
http://www.python.org/2.2.2/descrintro.html

> Is it safe to convert all my previous classes to new ones,

Essentially yes.

> and how can I do it? O:-)

Put the line ``__metaclass__=type`` on top of your script. All your
old style class will be automagically converted to new style classes.

            Michele Simionato