[Bug 878109] [NEW] Can't edit or remove software sources

[Richard Ayotte]

Public bug reported:

The following message is shown when a software source is attempted to be
removed. The software source is not removed successfully.

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 839, in on_remove_clicked
    self.backend.RemoveSource(str(source_entry))
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 143, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Python.AttributeError: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/python2.7/dist-packages/softwareproperties/dbus/SoftwarePropertiesDBus.py", line 269, in RemoveSource
    self.remove_source(source.encode("utf-8"))
  File "/usr/lib/python2.7/dist-packages/softwareproperties/SoftwareProperties.py", line 711, in remove_source
    if source.file != apt_pkg.config.find_file("Dir::Etc::sourcelist"):
AttributeError: 'NoneType' object has no attribute 'file'

Also, any changes attempted to the source is not applied.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: software-properties-gtk 0.81.10
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Wed Oct 19 07:23:22 2011
ExecutablePath: /usr/bin/software-properties-gtk
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: software-properties
UpgradeStatus: Upgraded to oneiric on 2011-09-23 (25 days ago)

** Affects: software-properties (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug oneiric

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https://bugs.launchpad.net/bugs/878109

Title:
  Can't edit or remove software sources

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

Bug description:
  The following message is shown when a software source is attempted to
  be removed. The software source is not removed successfully.

  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 839, in on_remove_clicked
      self.backend.RemoveSource(str(source_entry))
    File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 143, in __call__
      **keywords)
    File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking
      message, timeout)
  dbus.exceptions.DBusException: org.freedesktop.DBus.Python.AttributeError: Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 702, in _message_cb
      retval = candidate_method(self, *args, **keywords)
    File "/usr/lib/python2.7/dist-packages/softwareproperties/dbus/SoftwarePropertiesDBus.py", line 269, in RemoveSource
      self.remove_source(source.encode("utf-8"))
    File "/usr/lib/python2.7/dist-packages/softwareproperties/SoftwareProperties.py", line 711, in remove_source
      if source.file != apt_pkg.config.find_file("Dir::Etc::sourcelist"):
  AttributeError: 'NoneType' object has no attribute 'file'

  Also, any changes attempted to the source is not applied.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: software-properties-gtk 0.81.10
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Wed Oct 19 07:23:22 2011
  ExecutablePath: /usr/bin/software-properties-gtk
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: software-properties
  UpgradeStatus: Upgraded to oneiric on 2011-09-23 (25 days ago)

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