[AstroPy] POLL: vision for a common Astronomy package

James Turner jturner at gemini.edu
Fri Jul 8 15:43:09 EDT 2011

> To summarize for anybody who has not been following this discussion closely:

Thanks. That's very helpful whilst on vacation... :-)

> --
> Some portion of Astropy may want to use some C code that comes from an
> external library.
> We can provide a copy of that library code along with Astropy.  For a
> user installing from source code, the python install just does the right
> thing; there is no need to download/compile/install the external package
> separately.
> If we do provide the library, we also provide an option to the setup.py
> to explicitly say "use the library that is already installed<here>
> instead of the C sources distributed with Astropy".  A packager can use
> this option to integrate with other packages provided by the linux
> distribution.
> --
> So, we have a solution.  All of the rest of the discussion has centered
> around which group of users you think you need to worry about:  can use
> a package, or cannot use a package.
> There are substantial use cases for both categories.  We have a solution
> that works well for both and at very little cost.
> Otherwise, I think all we need to do is acknowledge that both use cases
> are important in different situations, and that we are happy to make
> them both work smoothly.
> Mark S.
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James E.H. Turner
Gemini Observatory Southern Operations Centre,
Casilla 603,		Tel. (+56) 51 205609
La Serena, Chile.	Fax. (+56) 51 205650

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