2010-03-19 11:13:48 Dale napisał(a): > Ciaran McCreesh wrote: > > On Fri, 19 Mar 2010 04:23:31 -0500 > > Dale<rdalek1...@gmail.com> wrote: > > > >>> It's being installed because it's a dependency of something you use. > >>> > >>> Replace Python with any other library and we wouldn't be having this > >>> discussion. > >>> > >> OK. Right now, as you type this, what package depends on python-3 > >> and won't work with python-2? Anything at all? If it is nothing, > >> then why install it? > >> > > And that's where you're making the mistake: you're treating Python as > > being different from every other package. > > > > In every other case, you want things to be using the newest version of a > > slotted package where possible. Why aren't you complaining that you were > > forced to install gcc 4.3 and 4.1 when 3.4 worked just fine? > > > > > Because, when I installed gcc 4.3, I could then unmerge the old gcc. > That's why I didn't complain about that. With python, we still have to > have the current version plus the new version which is not being used at > all. > > Am I not correct in that? If the new python is installed, what exactly > is going to use it? I used the new gcc. It worked fine. I unmerged > the old one with no wasted space and one less package installed. This > doesn't appear to be the case with python-3 tho. It's going to be > installed and just sit there like a rock.
Python 3 is used during installation of packages, which support Python 2 and Python 3 and support installation for multiple Python ABIs. You can directly execute scripts with "-3.1" suffix (e.g. "bpython-3.1" or "coverage-3.1") to use Python 3.1 even when Python 2.* is set as main active version of Python. -- Arfrever Frehtes Taifersar Arahesis
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