Re: [gentoo-dev] Python-3.2-related changes

[Arfrever Frehtes Taifersar Arahesis]

2010-02-08 01:20:22 Brian Harring napisał(a):
> On Sun, Feb 07, 2010 at 12:17:17PM -0800, Zac Medico wrote:
> > I noticed that this generates a depedency like "|| (
> > =dev-lang/python-2.7* =dev-lang/python-2.6* )" which is very similar
> > to the way that QT3VERSIONS works in qt3.eclass. One thing that is
> > sub-optimal about these types of dependencies is that you end up
> > with lots of installed packages that have out-dated dependencies
> > when the next minor version of python is released (python-2.8 in
> > this case). In the case of the python dependencies, it might be more
> > optimal to use a version range like ">=dev-lang/python-2.6
> > <dev-lang/python-3".
>
> Thing is, the first deps are valid- the deps you posted however
> aren't and cannot be used as you're proposing.
>
> Under || ( dev-lang/python:2.7 dev-lang/python:2.6 )
> Having python:2.6 or python:2.7 merged satisfies it.
>
> Under >=dev-lang/python:2.6 <dev-lang/python:3.0
> having "|| ( python:2.6 python:2.7 )" satisfies it, as does
> "|| ( python:2.4 python:2.5 ) || ( python:3.0 python:3.1 python:3.2 )"
>
> Literally, python:2.5 and python:3.1 merged would satisfy it, which is
> completely contrary to the intent and an unlikely scenario (several of
> my machines have such a deployment).

I will improve handling of cases when minimal and maximal versions aren't
specified. E.g. PYTHON_DEPEND="2" will be translated into dependency on
"=dev-lang/python-2*".

-- 
Arfrever Frehtes Taifersar Arahesis