Fwd: [Nix-dev] Python 2 versus 3

[Juan Daugherty]

---------- Forwarded message ----------
From: Juan Daugherty <juan at acm.org>
Date: Thu, Apr 22, 2010 at 12:57 PM
Subject: Re: [Nix-dev] Python 2 versus 3
To: Peter Simons <simons at cryp.to>


Just out of curiosity what is the requirement to have both 2 and 3
in the same profile? Why can't you use  2 profiles?

On Thu, Apr 22, 2010 at 12:53 PM, Peter Simons <simons at cryp.to> wrote:
> Hi,
>
> as of now, it seems to be impossible to install Python 2 and 3 into the same
> profile. There is no technical reason for that restriction, rather, the problem
> is that both packages differ only in their version number, i.e. they're both
> called "python", so nix-env won't install both of them at the same time.
> Another side effect is that "nix -u python" will update the installed version
> from 2.6.5 to 3.1.1. This is really not desirable, because Python 3 is a
> different thing from Python 2.
>
> Personally, I need to use both Python 2 and 3 at the same time. There are
> several options to accomplish that, but IMHO the most straightforward solution
> would be to change the name of the python 3.x package to *gasp* "python3"?
>
> Does anyone other than me have an opinion regarding this issue?
>
> Take care,
> Peter
>
> _______________________________________________
> nix-dev mailing list
> nix-dev at cs.uu.nl
> https://mail.cs.uu.nl/mailman/listinfo/nix-dev
>



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juan at acm.org  Juan Daugherty on Skype
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-- 
===============================================
juan at acm.org  Juan Daugherty on Skype
iPhone                  01 716 285 0414 (USA)
===============================================
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