[Python-ideas] Proposal to add new built-in struct (was: Add kwargs to built-in function object)

[Leif Walsh]

On Thu, 22 May 2008, Brandon Mintern wrote:
> > I think it makes the most sense, if this construct is adopted, to use
> > __slots__ to control mutability.  Someone more well-versed in the
> > python object model should determine if this is actually a good idea.
> >
> > --
> > Cheers,
> > Leif
>
> Whoops... I should have said "An implementation." I intended the
> implementation to be a specification for behavior and not the
> one-and-only implementation. Personally, I'm not especially familiar
> with using __slots__ in anything but standard usage, so I found it
> easier to show the code using __dict__. Certainly if __slots__ can be
> used, it avoids the need to write __setattr__ and to explicitly raise
> the AttributeError exception (which I already see is wrong because it
> doesn't support inheritance).

Don't take my word as gospel.  I've only used __slots__ once, and it
was at the suggest of another programmer in a kind of "I think this
does what we want" suggestion, and we are still not entirely sure if
it's doing what we think it's doing.

-- 
Cheers,
Leif