[Bug 1024590] Re: update-manager crashed with AttributeError in _on_download_changed(): 'NoneType' object has no attribute 'get_value'

[Brian Murray]

There is a crash with the new version of aptdaemon being reported on the
error tracker that has similar although different stack trace.

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/aptdaemon/gtk3widgets.py", line 522, in _on_download_changed
    iter = self._download_map[uri]
KeyError: 'http://pl.archive.ubuntu.com/ubuntu/pool/universe/w/wxwidgets2.8/wx2.8-i18n_2.8.12.1-14ubuntu1.1_all.deb'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/aptdaemon/gtk3widgets.py", line 525, in _on_download_changed
    iter = model.append((text, progress, uri))
AttributeError: 'NoneType' object has no attribute 'append'

So it seems that model may also be None.  I'll create a new bug report
for that.

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https://bugs.launchpad.net/bugs/1024590

Title:
  update-manager crashed with AttributeError in _on_download_changed():
  'NoneType' object has no attribute 'get_value'

Status in Aptdaemon:
  Fix Committed
Status in “aptdaemon” package in Ubuntu:
  Fix Committed
Status in “update-manager” package in Ubuntu:
  Invalid
Status in “aptdaemon” source package in Saucy:
  Fix Released
Status in “update-manager” source package in Saucy:
  Invalid

Bug description:
  SRU Verification:
  Given that this crash is reported about update-manager on the error tracker but the bug is in aptdaemon the best way to verify this is fixed is to query the recent individual instances of the crash for the bucket and ensuring that the new version of aptdaemon does not appear in the Dependencies.txt of them.  This'll need to be done by Brian Murray or Evan.

  Errors page:
  https://errors.ubuntu.com/bucket/?id=/usr/bin/update-manager:AttributeError:_on_download_changed:_on_download_changed

  While installing updates.

  ProblemType: CrashDistroRelease: Ubuntu 12.10
  Package: update-manager 1:0.167
  ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
  Uname: Linux 3.5.0-4-generic i686
  ApportVersion: 2.3-0ubuntu4
  Architecture: i386
  Date: Fri Jul 13 21:23:37 2012
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1342228873'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-height' b'518'
   b'com.ubuntu.update-manager' b'window-width' b'600'
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  InterpreterPath: /usr/bin/python3.2mu
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager --no-update --no-focus-on-map
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  PythonArgs: ['/usr/bin/update-manager', '--no-update', '--no-focus-on-map']SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in _on_download_changed(): 'NoneType' object has no attribute 'get_value'
  UpgradeStatus: Upgraded to quantal on 2012-07-13 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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