[Bug 1020526] Re: Software Updater crashes with: AttributeError: '_io.BufferedRandom' object has no attribute 'encoding' in MetaRelease.py, line 217, in parse

[Jean-Baptiste Lallement]

** Summary changed:

- Software Updater close itself without error notify
+ Software Updater crashes with:  AttributeError: '_io.BufferedRandom' object has no attribute 'encoding' in MetaRelease.py, line 217, in parse

** Also affects: update-manager (Ubuntu Quantal)
   Importance: Undecided
       Status: New

** Changed in: update-manager (Ubuntu Quantal)
     Assignee: (unassigned) => Canonical Foundations Team (canonical-foundations)

** Changed in: update-manager (Ubuntu Quantal)
   Importance: Undecided => High

** Changed in: update-manager (Ubuntu Quantal)
       Status: New => Confirmed

** Tags added: rls-q-incoming

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https://bugs.launchpad.net/bugs/1020526

Title:
  Software Updater crashes with:  AttributeError: '_io.BufferedRandom'
  object has no attribute 'encoding' in MetaRelease.py, line 217, in
  parse

Status in “update-manager” package in Ubuntu:
  Confirmed
Status in “update-manager” source package in Quantal:
  Confirmed

Bug description:
  Release of Ubuntu:12.10
  Package Version:Installed: 1:0.165
  Expected Results: it works
  Actual Results: it close itself without notify

  Hallo
  Trying to run an update from UI, it update the cash and propose the partial upgrade, but when I click on continue, it close itself without error notify.
  Launched from terminal it return that:

   Error accessing /usr/lib/ubuntu-release-upgrader/do-partial-upgrade:
  No such file or directory

  Complete terminal output:

  njin at quantic:~/Ubuntu$ update-manager -d
  Gtk-Message: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.
  ERROR:root:parse failed for '/home/njin/.cache/update-manager-core/meta-release-development'
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/UpdateManager/Core/MetaRelease.py", line 330, in download
      self.parse()
    File "/usr/lib/python3/dist-packages/UpdateManager/Core/MetaRelease.py", line 217, in parse
      parseddate = list(email.utils.parsedate(rawdate))
    File "/usr/lib/python3.2/email/utils.py", line 182, in parsedate
      return _parsedate(data)
    File "/usr/lib/python3.2/email/_parseaddr.py", line 147, in parsedate
      t = parsedate_tz(data)
    File "/usr/lib/python3.2/email/_parseaddr.py", line 85, in parsedate_tz
      if dd[-1] == ',':
  AttributeError: '_io.BufferedRandom' object has no attribute 'encoding'
  Error accessing /usr/lib/ubuntu-release-upgrader/do-partial-upgrade: No such file or directory

  Thanks
  Fabio

  ProblemType: BugDistroRelease: Ubuntu 12.10
  Package: update-manager 1:0.165
  ProcVersionSignature: Ubuntu 3.5.0-2.2-generic 3.5.0-rc4
  Uname: Linux 3.5.0-2-generic x86_64
  ApportVersion: 2.2.5-0ubuntu1
  Architecture: amd64
  Date: Tue Jul  3 14:35:51 2012
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1341318755'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-height' b'744'
   b'com.ubuntu.update-manager' b'window-width' b'1317'
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120525)
  PackageArchitecture: allSourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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