[Bug 1039484] Re: Accents in sources.list breaks do-release-upgrade

[Brian Murray]

This error occured when updating from precise to quantal and precise is
using python2.  So entry.comment is actually unicode in this case and it
crashes when trying to convert it to a string.

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Title:
  Accents in sources.list breaks do-release-upgrade

Status in “python-apt” package in Ubuntu:
  In Progress
Status in “python-apt” source package in Quantal:
  In Progress

Bug description:
  Description:	Ubuntu 12.04.1 LTS
  Release:	12.04

  update-manager:
    Installed: 1:0.156.14.9

  In my sources.list I had some lines with an accent ("í" in "Víctor"),
  like this one:

  deb https://XXXX@private-ppa.launchpad.net/XXX precise main #Personal
  access of Víctor R. Ruiz (vrruiz)

  Doing an "upgrade-manager -d" and clicking for upgrade to Quantal (do-
  release-upgrade), I repeatedly got this error:

  WARNING: Failed to read mirror file
  Traceback (most recent call last):
    File "/tmp/update-manager-ir3uWg/quantal", line 10, in <module>
      sys.exit(main())
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 1736, in run
      return self.fullUpgrade()
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 1638, in fullUpgrade
      if not self.updateSourcesList():
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 711, in updateSourcesList
      if not self.rewriteSourcesList(mirror_check=True):
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 686, in rewriteSourcesList
      entry.comment += " " + _("disabled on upgrade to %s") % self.toDist
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 20: ordinal not in range(128)
  Error in sys.excepthook:
  Traceback (most recent call last):
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeViewGtk3.py", line 475, in _handleException
      apport_crash(type, value, tb)
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeApport.py", line 47, in apport_crash
      _apport_append_logfiles(report)
    File "/tmp/update-manager-ir3uWg/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-ir3uWg/quantal", line 10, in <module>
      sys.exit(main())
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 1736, in run
      return self.fullUpgrade()
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 1638, in fullUpgrade
      if not self.updateSourcesList():
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 711, in updateSourcesList
      if not self.rewriteSourcesList(mirror_check=True):
    File "/tmp/update-manager-ir3uWg/DistUpgrade/DistUpgradeController.py", line 686, in rewriteSourcesList
      entry.comment += " " + _("disabled on upgrade to %s") % self.toDist
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 20: ordinal not in range(128)

  The error was gone when I modified sources.list and replaced the
  accent with an ASCII character ("í" -> "i").

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