Multiple UnicodeDecodeErrors with non-ASCII committer id

Hi,

my committer id is "Jiří Janoušek <email address hidden>" and Bazaar doesn't like it.

UnicodeDecodeError #1:

$ bzr whoami
bzr: ERROR: exceptions.UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 2: ordinal not in range(128)

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, 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 697, 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/commands.py", line 1138, in ignore_pipe
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 3874, in run
    self.outf.write(identity + '\n')
  File "/usr/lib/python2.7/dist-packages/bzrlib/ui/text.py", line 687, in write
    self.wrapped_stream.write(to_write)
  File "/usr/lib/python2.7/codecs.py", line 351, in write
    data, consumed = self.encode(object, self.errors)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 2: ordinal not in range(128)

bzr 2.7.0dev1 on python 2.7.8 (Linux-3.14-2-amd64-x86_64-with-debian-jessie-
    sid)
arguments: ['/usr/bin/bzr', 'whoami']
plugins: bash_completion[2.7.0dev1], builddeb[2.8.6], bzrtools[2.6.0],
    changelog_merge[2.7.0dev1], etckeeper[unknown], grep[2.7.0dev1],
    launchpad[2.7.0dev1], netrc_credential_store[2.7.0dev1],
    news_merge[2.7.0dev1], po_merge[2.7.0dev1], weave_fmt[2.7.0dev1]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'

UnicodeDecodeError #2:

$ bzr ci -m "Fix build error with Valac 0.25.2"
Committing to: /home/fenryxo/dev/projects/nuvolaplayer/repo/series-2.4.x/
modified src/nuvola/extensions/lastfm.vala
bzr: ERROR: exceptions.UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 2: ordinal not in range(128)

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, 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 697, 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/builtins.py", line 3687, in run
    lossy=lossy)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 218, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/workingtree_4.py", line 218, in commit
    result = WorkingTree.commit(self, message, revprops, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 218, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 211, in commit
    *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commit.py", line 290, in commit
    lossy=lossy)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 132, in run
    self.cleanups, self.func, self, *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.py", line 447, in _commit
    self.rev_id = self.builder.commit(self.message)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 209, in commit
    self.repository._add_revision(rev)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 1068, in _add_revision
    text = self._serializer.write_revision_to_string(revision)
  File "/usr/lib/python2.7/dist-packages/bzrlib/chk_serializer.py", line 84, in write_revision_to_string
    ("committer", encode_utf8(rev.committer)[0]),
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 2: ordinal not in range(128)

bzr 2.7.0dev1 on python 2.7.8 (Linux-3.14-2-amd64-x86_64-with-debian-jessie-
    sid)
arguments: ['/usr/bin/bzr', 'ci', '-m', 'Fix build error with Valac 0.25.2']
plugins: bash_completion[2.7.0dev1], builddeb[2.8.6], bzrtools[2.6.0],
    changelog_merge[2.7.0dev1], etckeeper[unknown], grep[2.7.0dev1],
    launchpad[2.7.0dev1], netrc_credential_store[2.7.0dev1],
    news_merge[2.7.0dev1], po_merge[2.7.0dev1], weave_fmt[2.7.0dev1]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'

UnicodeDecodeError #3:

$ bzr ci -m "Fix build error with Valac 0.25.2"
Committing to: /home/fenryxo/dev/projects/nuvolaplayer/repo/series-2.4.x/
modified src/nuvola/extensions/lastfm.vala
bzr: ERROR: exceptions.UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 2: ordinal not in range(128)

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, 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 697, 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/builtins.py", line 3687, in run
    lossy=lossy)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 218, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/workingtree_4.py", line 218, in commit
    result = WorkingTree.commit(self, message, revprops, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/decorators.py", line 218, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/mutabletree.py", line 211, in commit
    *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commit.py", line 290, in commit
    lossy=lossy)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 132, in run
    self.cleanups, self.func, self, *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.py", line 447, in _commit
    self.rev_id = self.builder.commit(self.message)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 209, in commit
    self.repository._add_revision(rev)
  File "/usr/lib/python2.7/dist-packages/bzrlib/vf_repository.py", line 1068, in _add_revision
    text = self._serializer.write_revision_to_string(revision)
  File "/usr/lib/python2.7/dist-packages/bzrlib/chk_serializer.py", line 84, in write_revision_to_string
    ("committer", encode_utf8(rev.committer)[0]),
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 2: ordinal not in range(128)

bzr 2.7.0dev1 on python 2.7.8 (Linux-3.14-2-amd64-x86_64-with-debian-jessie-
    sid)
arguments: ['/usr/bin/bzr', 'ci', '-m', 'Fix build error with Valac 0.25.2']
plugins: bash_completion[2.7.0dev1], builddeb[2.8.6], bzrtools[2.6.0],
    changelog_merge[2.7.0dev1], etckeeper[unknown], grep[2.7.0dev1],
    launchpad[2.7.0dev1], netrc_credential_store[2.7.0dev1],
    news_merge[2.7.0dev1], po_merge[2.7.0dev1], weave_fmt[2.7.0dev1]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'