trac-admin fails to handle addition of duplicate permissions gracefully

[trac-bugs@…]

$ trac-admin server permission add anonymous WIKI_VIEW $ trac-admin server permission add anonymous WIKI_VIEW Traceback (most recent call last):

File "/usr/bin/trac-admin", line 8, in <module>

load_entry_point('Trac==0.11.2', 'console_scripts', 'trac-admin')()

File "usr/lib/python2.5/site-packages/trac/admin/console.py", line 1294, in run

return admin.onecmd(command)

File "usr/lib/python2.5/site-packages/trac/admin/console.py", line 123, in onecmd

rv = cmd.Cmd.onecmd(self, line) or 0

File "/usr/lib/python2.5/cmd.py", line 219, in onecmd

return func(arg)

File "usr/lib/python2.5/site-packages/trac/admin/console.py", line 416, in do_permission

self._do_permission_add(user, action)

File "usr/lib/python2.5/site-packages/trac/admin/console.py", line 453, in _do_permission_add

self._permsys.grant_permission(user, action)

File "usr/lib/python2.5/site-packages/trac/perm.py", line 320, in grant_permission

self.store.grant_permission(username, action)

File "usr/lib/python2.5/site-packages/trac/perm.py", line 226, in grant_permission

(username, action))

File "usr/lib/python2.5/site-packages/trac/db/util.py", line 50, in execute

return self.cursor.execute(sql_escape_percent(sql), args)

File "usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 58, in execute

args or [])

File "usr/lib/python2.5/site-packages/trac/db/sqlite_backend.py", line 50, in _rollback_on_error

return function(self, *args, kwargs)

sqlite3.IntegrityError: columns username, action are not unique

(Ticket #3873 seems to be related, but it looks like it may have only been fixed for the web frontend)