[Python-Dev] __str__ vs. __unicode__

[Brett C.]

Walter Dörwald wrote:
> M.-A. Lemburg wrote:
> 
>> Walter Dörwald wrote:
>>
>>> M.-A. Lemburg wrote:
>>>
>>>  > [...]
>>>
>>>> __str__ and __unicode__ as well as the other hooks were
>>>> specifically added for the type constructors to use.
>>>> However, these were added at a time where sub-classing
>>>> of types was not possible, so it's time now to reconsider
>>>> whether this functionality should be extended to sub-classes
>>>> as well.
>>>
>>>
>>> So can we reach consensus on this, or do we need a
>>> BDFL pronouncement?
>>
>>
>> I don't have a clear picture of what the consensus currently
>> looks like :-)
>>
>> If we're going for for a solution that implements the hook
>> awareness for all __<typename>__ hooks, I'd be +1 on that.
>> If we only touch the __unicode__ case, we'd only be created
>> yet another special case. I'd vote -0 on that.
> 
>  > [...]
> 
> Here's the patch that implements this for int/long/float/unicode:
> http://www.python.org/sf/1109424
> 

Any movement on this?  +1 for making things work like str; if a subclass 
overrides __str__ it should use that method.  If correctness of what is 
returned is a worry then a check could be tossed in before the value is returned.

-Brett