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

[David Abrahams]

I could remove dependencies on tuple from class_base, if that helps...

-Dave

----- Original Message -----
From: "Achim Domma" <achim.domma at syynx.de>
To: <c++-sig at python.org>
Sent: Wednesday, July 10, 2002 2:05 PM
Subject: RE: [C++-sig] Outstanding Jobs for v2 release


> 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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>
>
>
>
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