[Bug 1031882] Re: precise->quantal upgrade fails, with a UnicodeDecodeError

[Stefano Rivera]

I've tried to reproduce it unsuccessfully. Haven't tried to understand
the code path, and what could be causing it, though.

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Title:
  precise->quantal upgrade fails, with a UnicodeDecodeError

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

Bug description:
  The first time I tried to upgrade this machine to quantal:

  $ update-manager -d
  authenticate 'quantal.tar.gz' against 'quantal.tar.gz.gpg' 
  extracting 'quantal.tar.gz'
  WARNING: Failed to read mirror file
  WARNING: Failed to read mirror file
  Traceback (most recent call last):
    File "/tmp/update-manager-sjmjAI/quantal", line 10, in <module>
      sys.exit(main())
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 1736, in run
      return self.fullUpgrade()
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 1693, in fullUpgrade
      if not self.askDistUpgrade():
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 927, in askDistUpgrade
      if not self._checkFreeSpace():
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 904, in _checkFreeSpace
      required.dir))
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 1: ordinal not in range(128)
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeViewGtk3.py", line 475, in _handleException
      apport_crash(type, value, tb)
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeApport.py", line 47, in apport_crash
      _apport_append_logfiles(report)
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeApport.py", line 28, in _apport_append_logfiles
      report[f.replace(".","").replace("-","")] = (open(f), )
    File "/usr/lib/python2.7/dist-packages/problem_report.py", line 509, in __setitem__
      assert k.replace('.', '').replace('-', '').replace('_', '').isalnum()
  AssertionError

  Original exception was:
  Traceback (most recent call last):
    File "/tmp/update-manager-sjmjAI/quantal", line 10, in <module>
      sys.exit(main())
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 1736, in run
      return self.fullUpgrade()
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 1693, in fullUpgrade
      if not self.askDistUpgrade():
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 927, in askDistUpgrade
      if not self._checkFreeSpace():
    File "/tmp/update-manager-sjmjAI/DistUpgrade/DistUpgradeController.py", line 904, in _checkFreeSpace
      required.dir))
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 1: ordinal not in range(128)

  Then I freed some space and ran into a another variant:

  $ update-manager -d
  authenticate 'quantal.tar.gz' against 'quantal.tar.gz.gpg' 
  extracting 'quantal.tar.gz'
  WARNING: Failed to read mirror file
  WARNING: Failed to read mirror file
  Traceback (most recent call last):
    File "/tmp/update-manager-K3_3vM/quantal", line 10, in <module>
      sys.exit(main())
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeController.py", line 1736, in run
      return self.fullUpgrade()
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeController.py", line 1693, in fullUpgrade
      if not self.askDistUpgrade():
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeController.py", line 945, in askDistUpgrade
      self.cache.required_download)
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeViewGtk3.py", line 625, in confirmChanges
      demotions, downloadSize):
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeView.py", line 374, in confirmChanges
      apt_pkg.size_to_str(downloadSize)
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 1: ordinal not in range(128)
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeViewGtk3.py", line 475, in _handleException
      apport_crash(type, value, tb)
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeApport.py", line 47, in apport_crash
      _apport_append_logfiles(report)
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeApport.py", line 28, in _apport_append_logfiles
      report[f.replace(".","").replace("-","")] = (open(f), )
    File "/usr/lib/python2.7/dist-packages/problem_report.py", line 509, in __setitem__
      assert k.replace('.', '').replace('-', '').replace('_', '').isalnum()
  AssertionError

  Original exception was:
  Traceback (most recent call last):
    File "/tmp/update-manager-K3_3vM/quantal", line 10, in <module>
      sys.exit(main())
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeController.py", line 1736, in run
      return self.fullUpgrade()
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeController.py", line 1693, in fullUpgrade
      if not self.askDistUpgrade():
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeController.py", line 945, in askDistUpgrade
      self.cache.required_download)
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeViewGtk3.py", line 625, in confirmChanges
      demotions, downloadSize):
    File "/tmp/update-manager-K3_3vM/DistUpgrade/DistUpgradeView.py", line 374, in confirmChanges
      apt_pkg.size_to_str(downloadSize)
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 1: ordinal not in range(128)

  
  It gets passed this with LC_ALL=C.UTF-8 in the environment

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  Date: Wed Aug  1 20:50:53 2012
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1343846955
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 500
   com.ubuntu.update-manager window-width 600
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_ZA:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_ZA.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to precise on 2012-08-01 (0 days ago)
  VarLogDistupgradeTermlog:

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