[Numpy-discussion] [matplotlib-devel] [SciPy-dev] Announcing toydist, improving distribution and packaging situation
David Cournapeau
cournape@gmail....
Sun Jan 3 05:24:59 CST 2010
On Sun, Jan 3, 2010 at 3:27 AM, Andrew Straw <strawman@astraw.com> wrote:
>>
> Typically, the dependencies only depend on the smallest subset of what
> they require (if they don't need lapack, they'd only depend on
> python-numpy-core in your example), but yes, if there's an unsatisfiable
> condition, then apt-get will raise an error and abort. In practice, this
> system seems to work quite well, IMO.
Yes, but:
- debian dependency resolution is complex. I think many people don't
realize how complex the problem really is (AFAIK, any correct scheme
to resolve dependencies in debian requires an algorithm which is
NP-complete )
- introducing a lot of variants significantly slow down the whole thing.
I think it worths thinking whether our problems warrant such a complexity.
>
> Anyhow, here's the full Debian documentation:
> http://www.debian.org/doc/debian-policy/ch-relationships.html
This is not the part I am afraid of. This is:
http://people.debian.org/~dburrows/model.pdf
cheers,
David
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