Factory for Struct-like classes

[Gabriel Genellina]

On 13 ago, 14:46, eliben <eli... at gmail.com> wrote:
> On Aug 13, 7:30 pm, Christian Heimes <li... at cheimes.de> wrote:
>
> > eliben wrote:
> > > Ruby's 'Scruct' class (http://ruby-doc.org/core/classes/Struct.html)
> > > does this. I suppose it can be done with 'exec', but is there a more
> > > Pythonic way ?
>
> > Try named tuplehttp://code.activestate.com/recipes/500261/
>
> 1) I see this is done with exec anyway, so there's no more pythonic
> way.

It doesn't *have* to be done with exec - I think there are other
variants using metaclasses instead.

> 2) The definition of fields as a single string is weird. Why not use
> **kwargs instead ?

Because the field ordering would be lost, which is important for a
named *tuple*.
(Anyway, I'd prefer a list of names instead of a single string...)

--
Gabriel Genellina