New+old-style multiple inheritance

Jonathan Gardner jgardner.jonathangardner.net at gmail.com
Tue Dec 18 14:09:38 EST 2007


On Dec 18, 7:08 am, "stephen... at googlemail.com"
<stephen... at googlemail.com> wrote:
> We are trying to monkey-patch a third-party library that mixes new and
> old-style classes with multiple inheritance.  In so doing we have
> uncovered some unexpected behaviour:
>
<snip>
>
> I know this level of messing with python internals is a bit risky but
> I'm wondering why the above code doesn't work.
>

You've already discovered why--you're mixing old and new style
classes.

Monkey patching is definitely unpythonic. You must be a Ruby guy. Why
don't you try doing something else to get the behavior you want,
something more explicit?




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