[Numpy-discussion] Fwd: [Distutils] People want CPAN :-)

John Hunter jdh2358@gmail....
Fri Nov 6 16:26:48 CST 2009

I assume many of you follow distutils, but FYI in case you want to
contribute to the discussion

---------- Forwarded message ----------
From: Alex Grönholm <alex.gronholm@nextday.fi>
Date: 2009/11/6
Subject: Re: [Distutils] People want CPAN :-)
To: distutils-sig@python.org

Guido van Rossum kirjoitti:
> I just found this comment on my blog. People have told me this in
> person too, so I believe it is real pain (even if the solution may be
> elusive and the suggested solutions may not work). But I don't know
> how to improve the world. Is the work on distutils-sig going to be
> enough? Or do we need some other kind of work in addition? Do we need
> more than PyPI?
> --Guido
> ---------- Forwarded message ----------
> From: dalloliogm <noreply-comment@blogger.com>
> Date: Fri, Nov 6, 2009 at 8:01 AM
> Subject: [Neopythonic] New comment on Python in the Scientific World.
> To: gvanrossum@gmail.com
> dalloliogm has left a new comment on your post "Python in the Scientific World":
> Python is suffering a lot in the scientific word, because it has not a
> CPAN-like repository.
> PyPI is fine, but it is still far from the level of CPAN, CRAN,
> Bioconductor, etc..
> Scientists who use programming usually have a lot of different
> interests and approaches, therefore it is really difficult to write a
> package that can be useful to everyone.
> Other programming language like Perl and R have repository-like
> structure which enable people to download packages easily, and to
> upload new ones and organize them withouth having to worry about
> having to integrate them into existing packages.
> This is what is happening to biopython now: it is a monolitic package
> that it is supposed to work for any bioinformatic problem; but this is
> so general that to accomplish that you would need to add a lot of
> dependencies, to numpy, networkx, suds, any kind of library.
> However, since easy_install is not as ready yet as the counterparts in
> other languages, if the biopython developers add too many
> dependencies, nobody will be able to install it properly, and nobody
> will use it.

I for one did not understand the problem. What does CPAN have that PyPI doesn't?
It is natural for packages (distributions, in distutils terms) to have
dependencies on each other. Why is this a problem?
> Posted by dalloliogm to Neopythonic at November 6, 2009 8:01 AM

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