On Tue, 03 Mar 2015 11:12:48 +0100 Helmut Jarausch wrote: > On 03/03/2015 10:47:46 AM, Andrew Savchenko wrote: > > Hello, > > > > On Tue, 03 Mar 2015 10:21:19 +0100 Helmut Jarausch wrote: > > > Hi, > > > > > > I'd like to install all packages which need Python, only for Python3 > > except those which cannot be installed for Python3. > > > How can I find out which of the packages installed on my machine > > have PYTHON_TARGETS=python2_7" (only). > > > I could loop over `qlist -IC` do an emerge -vp each grepping for > > this string. > > > But is there an easier way. > > > > You are almost there, just learn the power of mighty eix: > > > > EIX_LIMIT=0 eix -I --only-names -\( -U python_targets_python2_ -! -U > > python_targets_python3_ -\) > > > > This will return you all installed packages having "python2_*" in > > their python targets, but not having "python3_*". > > > > Many thanks Andrew. > I have some problems, though. > > Your command shows media-libs/mesa (among many others) > but > emerge -vp media-libs/mesa doesn't show any python targets.
Run plain: $ eix media-libs/mesa It has PYTHON_TARGETS="python2_7", though probably not in the version currently installed in your system. Please don't forget, that USE flag may appear and disappear during upgrades or downgrades. Best regards, Andrew Savchenko
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