[Bug 1246907] Re: crashes on live image with NoDistroTemplateException

[Brian Murray]

This was a bug with the new distribution not being added to python-apt
yet, rather than looking for that bug (to make this a duplicate of) I'm
just to mark this as Invalid.

** Changed in: software-properties (Ubuntu)
       Status: New => Invalid

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Title:
  crashes on live image with NoDistroTemplateException

Status in “software-properties” package in Ubuntu:
  Invalid

Bug description:
  Botting in live session, if you press super key, enter "software & updates" and click on the "software & updates"  icon to open. software-properties-gtk , it does not open, nothing happens.
  If you open "software center" and select "software sources" form the edit menu software-properties-gtk  does not open, nothing happens.
  If you type software-properties-gtk in terminal you get this output:

  Traceback (most recent call last):
    File "/usr/bin/software-properties-gtk", line 101, in <module>
      app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options, file=file)
    File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 98, in __init__
      SoftwareProperties.__init__(self, options=options, datadir=datadir)
    File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 109, in __init__
      self.reload_sourceslist()
    File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 599, in reload_sourceslist
      self.distro.get_sources(self.sourceslist)
    File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 89, in get_sources
      (self.id, self.codename))
  aptsources.distro.NoDistroTemplateException: Error: could not find a distribution template for Ubuntu/trusty

  This is happening on a Trusty live, got the ISO from:
  http://cdimage.ubuntu.com/daily-live/current/trusty-desktop-amd64.iso
  (today is 10/31/2013).

  On a Trusty desktop this does not occur.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: software-properties-gtk 0.92.27
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.336ubuntu1
  Date: Thu Oct 31 21:46:01 2013
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20131021.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: software-properties
  UpgradeStatus: No upgrade log present (probably fresh install)

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