I've just installed  python-3.4.1  alongside  2.7.7  3.2.5-r6  3.3.5-r1 .
I've changed the lines in  make.conf  to

  USE_PYTHON="2.7 3.4"
  PYTHON_TARGETS="python2_7 python3_4"
  PYTHON_SINGLE_TARGET="python2_7"

'emerge -Np world' lists pkgs which mb updated, but none with 3.4.1 .
I have successfully remerged Vim with

  PYTHON_TARGETS="python2_7 (-python3_2) -python3_3 python3_4"

Without any other info, I would remerge all affected pkgs to use 3.4.1
& unmerge the earler versions of Python.
However, (1) I don't know how to list pkgs which use the Python flag
& (2) I don't know which pkgs might not be safe with 3.4.1 (Portage ? ).

Can anyone explain or point me to the relevant docs ?

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SUPPORT     ___________//___,   Philip Webb
ELECTRIC   /] [] [] [] [] []|   Cities Centre, University of Toronto
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