qlog crashes due gpgme error

[Anton Korovin]

antonk@site:~/Dev> bzr qlog
Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve property `GtkTreeView::odd-row-color' of type `GdkColor' from rc file value "((GString*) 0x87172d0)" of type `GString'
bzr: ERROR: gpgme.GpgmeError: (32, 176, 'Not operational')

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/util.py", line 908, in run_in_loading_queue
    f(*args, **kargs)
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/uifactory.py", line 32, in decorate
    r = f(*args, **kargs)
  File "/usr/lib/python2.7/site-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/site-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py", line 149, in set_display_revids
    pass_prev_loaded_rev=True)
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/lazycachedrevloader.py", line 53, in load_revisions
    revisions_loaded(return_revisions, False)
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py", line 204, in revisions_loaded
    cached_revisions[revid].repository)
  File "/usr/lib/python2.7/site-packages/bzrlib/log.py", line 321, in format_signature_validity
    gpg_strategy = gpg.GPGStrategy(None)
  File "/usr/lib/python2.7/site-packages/bzrlib/gpg.py", line 184, in __init__
    self.context = gpgme.Context()
GpgmeError: (32, 176, 'Not operational')

bzr 2.4.1 on python 2.7.0 (Linux-2.6.37.6-0.7-desktop-i686-with-
    SuSE-11.4-i586)
arguments: ['/usr/bin/bzr', 'qlog']
plugins: bash_completion[2.4.1], changelog_merge[2.4.1], explorer[1.2.1],
    launchpad[2.4.1], netrc_credential_store[2.4.1], news_merge[2.4.1],
    qbzr[0.21.1], weave_fmt[2.4.1]
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'ru_RU.utf8'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.
antonk@antonk-book:~/Dev/EagleEye> bzr qlog
Gtk-Message: (for origin information, set GTK_DEBUG): failed to retrieve property `GtkTreeView::odd-row-color' of type `GdkColor' from rc file value "((GString*) 0x87197d0)" of type `GString'
bzr: ERROR: gpgme.GpgmeError: (32, 176, 'Not operational')

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/util.py", line 908, in run_in_loading_queue
    f(*args, **kargs)
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/uifactory.py", line 32, in decorate
    r = f(*args, **kargs)
  File "/usr/lib/python2.7/site-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/site-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py", line 149, in set_display_revids
    pass_prev_loaded_rev=True)
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/lazycachedrevloader.py", line 53, in load_revisions
    revisions_loaded(return_revisions, False)
  File "/usr/lib/python2.7/site-packages/bzrlib/plugins/qbzr/lib/revisionmessagebrowser.py", line 204, in revisions_loaded
    cached_revisions[revid].repository)
  File "/usr/lib/python2.7/site-packages/bzrlib/log.py", line 321, in format_signature_validity
    gpg_strategy = gpg.GPGStrategy(None)
  File "/usr/lib/python2.7/site-packages/bzrlib/gpg.py", line 184, in __init__
    self.context = gpgme.Context()
GpgmeError: (32, 176, 'Not operational')

bzr 2.4.1 on python 2.7.0 (Linux-2.6.37.6-0.7-desktop-i686-with-
    SuSE-11.4-i586)
arguments: ['/usr/bin/bzr', 'qlog']
plugins: bash_completion[2.4.1], changelog_merge[2.4.1], explorer[1.2.1],
    launchpad[2.4.1], netrc_credential_store[2.4.1], news_merge[2.4.1],
    qbzr[0.21.1], weave_fmt[2.4.1]
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'ru_RU.utf8'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.

[Alexander Belchenko (bialix)]

The best we can do on qbzr side is to suppress this error from gpgme and show some explanation in the revision message window.