[C++-sig] Outstanding Jobs for v2 release

[Achim Domma]

Ok, tomorrow I will give it another try and will let you know if I make
progress.

Achim

> -----Original Message-----
> From: c++-sig-admin at python.org [mailto:c++-sig-admin at python.org]On
> Behalf Of David Abrahams
> Sent: Wednesday, July 10, 2002 13:55
> To: c++-sig at python.org
> Subject: Re: [C++-sig] Outstanding Jobs for v2 release
>
>
> From: "Achim Domma" <achim.domma at syynx.de>
>
>
> > Hi Dave,
> >
> > I'm sorry to tell you, that I failed. I attached the files I produced so
> > far, but trying to write tests with it I got lots of errors
> which I don't
> > managed to solve.
>
> Don't give up now; just ask some questions (unless you're out of time)!
>
> > Tuple seems to be used already in the creation of classes.
> > Trying to replace it with my tuple class, I got lots of problems
> converting
> > between handle, object and so on.
>
> You mean in class_base::class_base?
> That usage could be replaced by handle<> bases(PyTuple_New(...)) and
> regular calls to the Python 'C' API.
>
> > I hope the files will be of some help anyway,
>
> They mostly look pretty good to me.
>
> > but I think until I improve my
> > knowledge of boost.python someone else should overtake this task.
> > If I understand boost.python somewhat better I would be glad to give it
> > another try, but at the moment I think I'm not good enough.
>
> Well, I don't think it should be too difficult. I should have
> given you the
> following recommendations which would make it easier:
>
> 1. Try to replace and test just a single type at a time. Start with dict,
> for example. Trying to replace large portions of a codebase tends to
> destabilize it and make testing more difficult.
>
> 2. The v1 tuple interface has these multi-argument constructors which are
> intended to allow you to create tuples on-the-fly. Forget about those.
> They're not symmetric anyway, since passing a single argument
> /converts/ it
> to a tuple, rather than wrapping it in a tuple. I'm going to write a
> generalized make_tuple() function which builds the appropriate tuple
> object.
>
> -Dave
>
>
>
>
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