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Wed Aug 17 22:21:16 CEST 2005 · http://mail.python.org/pipermail/python-dev/2005-August/055486.html

> > [Timothy Fitz]
> > > It seems to
> > > me that those who want dir to reflect __dict__ should just use
> > > __dict__ in the first place.
> 
> [Raymond]
> > The dir() builtin does quite a bit more than obj.__dict__.keys().
> 
> Well that's the whole point, right? 

Perhaps.  I wasn't taking a position.  Just noting that Timothy's
comment over-simplified the relationship.

> A more useful relationship is
> 
>     name in dir(x) <==> getattr(x, name) is valid

That would be a useful invariant.

Raymond

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