Status: Python3 only on the ubuntu-desktop images

[Matthias Klose]

Before leaving for PyCon and with 15.04 beta2 released, I had a look at removing
Python2 from the desktop images. We are not there yet, but it looks promising
and realistic to achieve for 15.10.  Bugs can be seen at

  https://bugs.launchpad.net/ubuntu/+bugs?field.tag=python3

software-center
  823254
  all dependencies seem to be there

ubuntu-sso-client
  enough of Twisted ported to Python3?
  1037768,
  1440683, 1035104

update-notifier
  partly ported?
  1440683

sessioninstaller
  recommended by file-roller and software-center
  porting to python3 doesn't look too bad
  1440368

landscape-client (landscape-client-ui-install)
  one script ... 1440366

apt-xapian-index
  recommended by software-center
  needs python3-xapian, which will get usable with xapian-bindings 1.4 (not yet
released).

deja-dup (seeded as a recommends)
  1440370  needs porting

duplicity (dep of deja-dup)
  1440372  partially ported

zeitgeist
  dependency of activity-log-manager (seeded as a recommends)
  1440373
  supported upstream, build a python3-zeitgeist package and let zeitgeist depend
on it

oneconf (dependency of software-center)
  oneconf-common should use python3 by default
  1440375