On Wed, Jun 20, 2012 at 12:38 PM, Maciej Fijalkowski <[email protected]>wrote:

> On Tue, Jun 19, 2012 at 9:18 PM, Костя Лопухин 
> <[email protected]>wrote:
>
>> 2012/6/19 Amaury Forgeot d'Arc <[email protected]>:
>> >
>> > Actually I think I found the cause:
>> > bool.__format__ will correctly call format__Int_ANY(),
>> > but the object is coerced into a int!
>> >
>> > Adding a format__Bool_ANY fixes the problem (with the same
>> implementation)1
>> > but shouldn't we have W_BoolObject inherit from W_IntObject,
>> > and remove delegate_Bool2IntObject?
>> >
>>
>> I tried inheriting W_BoolObject from W_IntObject, removing
>> delegate_Bool2IntObject and removing format__Bool_ANY - but then there
>> is no format implementation for bool. And as I read in multimethod.py,
>> it does not really interact with subclassing, so inheriting from
>> W_IntObject will gain nothing here?
>> Is it better to submit an easy fix first
>> https://bitbucket.org/kostialopuhin/pypy-fix1180/compare/..pypy/pypy ?
>> I just don't see what are the benefits of inhering from W_IntObject,
>> cause I know too little yet)
>> _______________________________________________
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>> http://mail.python.org/mailman/listinfo/pypy-dev
>>
>
> bool inherits frmo int, just not W_BoolObject from W_IntObject. We should
> and we should remove multimethods alltogether (they're a mess), but it's
> quite a bit of effort.
>
> Cheers,
> fijal
>

Ah and the reason why it would not work right now is because multimethods
don't quite follow the typical inheritance chain.

Cheers,
fijal
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