** Description changed:

+ Impact:
+ 
+ Bzr crashes when verifying non-ascii characters in signatures, in
+ verbose mode.
+ 
+ Testcase:
+ 
+ bzr branch lp:~xnox/+junk/test-signatures
+ cd test-signatures
+ gpg --import key.asc
+ bzr verify-signatures -v
+ 
+ 
+ Original report:
+ 
  first : on "bzr verify-signatures -v" i get :
  bzr: ERROR: exceptions.TypeError: can only concatenate list (not "str") to 
list
  
  Traceback (most recent call last):
-   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 920, in 
exception_to_return_code
-     return the_callable(*args, **kwargs)
-   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1131, in 
run_bzr
-     ret = run(*run_argv)
-   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in 
run_argv_aliases
-     return self.run(**all_cmd_args)
-   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 695, in run
-     return self._operation.run_simple(*args, **kwargs)
-   File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in 
run_simple
-     self.cleanups, self.func, *args, **kwargs)
-   File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in 
_do_with_cleanups
-     result = func(*args, **kwargs)
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/commit_signature_commands.py", line 
170, in run
-     write(gpg_strategy.verbose_valid_message(result))
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/commit_signature_commands.py", line 
130, in write
-     self.outf.write(string + "\n")
+   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 920, in 
exception_to_return_code
+     return the_callable(*args, **kwargs)
+   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1131, in 
run_bzr
+     ret = run(*run_argv)
+   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in 
run_argv_aliases
+     return self.run(**all_cmd_args)
+   File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 695, in run
+     return self._operation.run_simple(*args, **kwargs)
+   File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in 
run_simple
+     self.cleanups, self.func, *args, **kwargs)
+   File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in 
_do_with_cleanups
+     result = func(*args, **kwargs)
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/commit_signature_commands.py", line 
170, in run
+     write(gpg_strategy.verbose_valid_message(result))
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/commit_signature_commands.py", line 
130, in write
+     self.outf.write(string + "\n")
  TypeError: can only concatenate list (not "str") to list
  
- 
- 
- 
- maybe a little more straight-forward; if I do "bzr qlog" then click on a 
revision, i get :
+ maybe a little more straight-forward; if I do "bzr qlog" then click on a
+ revision, i get :
  
  bzr: ERROR: exceptions.UnicodeEncodeError: 'ascii' codec can't encode
  character u'\xe7' in position 4: ordinal not in range(128)
  
  Traceback (most recent call last):
-   File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/util.py", 
line 908, in run_in_loading_queue
-     f(*args, **kargs)
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/uifactory.py", line 
32, in decorate
-     r = f(*args, **kargs)
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py",
 line 365, in update_selection
-     revids, self.log_list.log_model.graph_viz.get_repo_revids)
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py",
 line 149, in set_display_revids
-     pass_prev_loaded_rev=True)
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/lazycachedrevloader.py",
 line 53, in load_revisions
-     revisions_loaded(return_revisions, False)
-   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py",
 line 204, in revisions_loaded
-     cached_revisions[revid].repository)
-   File "/usr/lib/python2.7/dist-packages/bzrlib/log.py", line 346, in 
format_signature_validity
-     return "valid signature from {0}".format(result[1])
+   File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/util.py", 
line 908, in run_in_loading_queue
+     f(*args, **kargs)
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/uifactory.py", line 
32, in decorate
+     r = f(*args, **kargs)
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py",
 line 365, in update_selection
+     revids, self.log_list.log_model.graph_viz.get_repo_revids)
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py",
 line 149, in set_display_revids
+     pass_prev_loaded_rev=True)
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/lazycachedrevloader.py",
 line 53, in load_revisions
+     revisions_loaded(return_revisions, False)
+   File 
"/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py",
 line 204, in revisions_loaded
+     cached_revisions[revid].repository)
+   File "/usr/lib/python2.7/dist-packages/bzrlib/log.py", line 346, in 
format_signature_validity
+     return "valid signature from {0}".format(result[1])
  UnicodeEncodeError: 'ascii' codec can't encode character u'\xe7' in position 
4: ordinal not in range(128)
  
  bzr 2.5.1 on python 2.7.3 (Linux-3.2.0-38-generic-x86_64-with-
-     Ubuntu-12.04-precise)
+     Ubuntu-12.04-precise)
  arguments: ['/usr/bin/bzr', 'qlog']
  plugins: bash_completion[2.5.1], bzrtools[2.5.0], changelog_merge[2.5.1],
-     explorer[1.2.2], launchpad[2.5.1], netrc_credential_store[2.5.1],
-     news_merge[2.5.1], po_merge[2.5.1], qbzr[0.22.2], upload[1.1.0],
-     weave_fmt[2.5.1], webdav[1.12.2]
+     explorer[1.2.2], launchpad[2.5.1], netrc_credential_store[2.5.1],
+     news_merge[2.5.1], po_merge[2.5.1], qbzr[0.22.2], upload[1.1.0],
+     weave_fmt[2.5.1], webdav[1.12.2]
  encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_CA.UTF-8'
- 
  
  Sorry, my name hapens to be utf-8 !!!
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: bzr 2.5.1-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-38.59-generic 3.2.37
  Uname: Linux 3.2.0-38-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  CheckboxSubmission: 07acc21e2cd262f4bfdaa4e25a19f966
  CheckboxSystem: 2a6f54df59af338184485e85cbcf0d32
  Date: Tue Feb 12 15:47:08 2013
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
-  TERM=xterm
-  PATH=(custom, no user)
-  LANG=en_CA.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm
+  PATH=(custom, no user)
+  LANG=en_CA.UTF-8
+  SHELL=/bin/bash
  SourcePackage: bzr
  UpgradeStatus: Upgraded to precise on 2012-06-05 (252 days ago)

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https://bugs.launchpad.net/bugs/1123460

Title:
  verify-signature crashes on non ascii characters

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