[Bug 1186936] [NEW] do-release-upgrade -d crash when trying to upgrade to saucy

[Nicolas Devillers]

Public bug reported:

while trying to upgrade to saucy from raring, do-release-upgrade is
crashing with the following stack-trace:

Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-jpqsq1/saucy", line 10, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeMain.py", line 240, in main
    if app.run():
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 1781, in run
    return self.fullUpgrade()
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 1676, in fullUpgrade
    if not self.updateSourcesList():
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 750, in updateSourcesList
    if not self.rewriteSourcesList(mirror_check=True):
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 726, in rewriteSourcesList
    logging.debug("entry '%s' was disabled (unknown mirror)" % get_string_with_no_auth_from_source_entry(entry))
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/utils.py", line 89, in get_string_with_no_auth_from_source_entry
    return str(tmp)
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/sourceslist.py", line 215, in __str__
    return self.str().strip()
  File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/sourceslist.py", line 233, in str
    line += " #"+self.comment
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 4: ordinal not in range(128)

My python env is the following:
/usr/bin/env python
Python 2.7.4 (default, Apr 19 2013, 18:28:01)
--- 
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
CrashDB: ubuntu
DistroRelease: Ubuntu 13.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-04-08 (55 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
Package: ubuntu-release-upgrader (not installed)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
Tags:  raring dist-upgrade
Uname: Linux 3.9.0-030900rc8-generic x86_64
UpgradeStatus: Upgraded to raring on 2013-06-03 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
VarLogDistupgradeAptlog:
 Log time: 2013-06-03 10:13:39.019360
 Log time: 2013-06-03 10:13:43.919537

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-collected dist-upgrade raring

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https://bugs.launchpad.net/bugs/1186936

Title:
  do-release-upgrade -d crash when trying to upgrade to saucy

Status in “ubuntu-release-upgrader” package in Ubuntu:
  New

Bug description:
  while trying to upgrade to saucy from raring, do-release-upgrade is
  crashing with the following stack-trace:

  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-jpqsq1/saucy", line 10, in <module>
      sys.exit(main())
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeMain.py", line 240, in main
      if app.run():
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 1781, in run
      return self.fullUpgrade()
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 1676, in fullUpgrade
      if not self.updateSourcesList():
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 750, in updateSourcesList
      if not self.rewriteSourcesList(mirror_check=True):
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/DistUpgradeController.py", line 726, in rewriteSourcesList
      logging.debug("entry '%s' was disabled (unknown mirror)" % get_string_with_no_auth_from_source_entry(entry))
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/utils.py", line 89, in get_string_with_no_auth_from_source_entry
      return str(tmp)
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/sourceslist.py", line 215, in __str__
      return self.str().strip()
    File "/tmp/ubuntu-release-upgrader-jpqsq1/DistUpgrade/sourceslist.py", line 233, in str
      line += " #"+self.comment
  UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 4: ordinal not in range(128)

  My python env is the following:
  /usr/bin/env python
  Python 2.7.4 (default, Apr 19 2013, 18:28:01)
  --- 
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  CrashDB: ubuntu
  DistroRelease: Ubuntu 13.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-04-08 (55 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  Package: ubuntu-release-upgrader (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  Tags:  raring dist-upgrade
  Uname: Linux 3.9.0-030900rc8-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-06-03 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  VarLogDistupgradeAptlog:
   Log time: 2013-06-03 10:13:39.019360
   Log time: 2013-06-03 10:13:43.919537

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