[Bug 1094777] Re: Can't use c-n-r-gtk to initate Quantal -> Raring update

[Brian Murray]

** Tags added: quantal

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https://bugs.launchpad.net/bugs/1094777

Title:
  Can't use c-n-r-gtk to initate Quantal -> Raring update

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Triaged

Bug description:
  I have submitted an apport report for this already, but I think it is better to submit it manually too. 
  I have tried to run 
  /usr/lib/ubuntu-release-upgrader/check-new-release-gtk -d 
  just to see what happens next. It has found the Raring release, I have pushed the "Yes, Upgrade Now!" button, and got this:

  $ /usr/lib/ubuntu-release-upgrader/check-new-release-gtk -d
  Traceback (most recent call last):
    File "/usr/lib/ubuntu-release-upgrader/check-new-release-gtk", line 132, in on_button_upgrade_now_clicked
      _("Downloading the release upgrade tool"))
    File "/usr/lib/python3/dist-packages/DistUpgrade/GtkProgress.py", line 35, in __init__
      self.widgets = SimpleGtkbuilderApp(uifile, "ubuntu-release-upgrader")
    File "/usr/lib/python3/dist-packages/DistUpgrade/SimpleGtk3builderApp.py", line 32, in __init__
      self.builder.add_from_file(path)
    File "/usr/lib/python3/dist-packages/gi/types.py", line 47, in function
      return info.invoke(*args, **kwargs)
  gi._glib.GError: Nem sikerült megnyitni a(z) „/usr/share/ubuntu-release-upgradergtkbuilder/AcquireProgress.ui” fájlt: Nincs ilyen fájl vagy könyvtár

  (gi._glib.GError: Can't open the ...ui file: No such file or
  directory)

  That would be easy to fix, I tried to do the following to DistUpgrade/GtkProgress.py :
  -        uifile = datadir + "gtkbuilder/AcquireProgress.ui"
  +        uifile = datadir + "/gtkbuilder/AcquireProgress.ui"

  But now a brand new crash happens, and I'm stuck:

  $ /usr/lib/ubuntu-release-upgrader/check-new-release-gtk -d
  Traceback (most recent call last):
    File "/usr/lib/ubuntu-release-upgrader/check-new-release-gtk", line 132, in on_button_upgrade_now_clicked
      _("Downloading the release upgrade tool"))
    File "/usr/lib/python3/dist-packages/DistUpgrade/GtkProgress.py", line 48, in __init__
      self.window_fetch.set_transient_for(parent)
    File "/usr/lib/python3/dist-packages/gi/types.py", line 47, in function
      return info.invoke(*args, **kwargs)
  TypeError: argument parent: Expected Gtk.Window, but got __main__.CheckNewReleaseGtk

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