# # The Qubes OS Project, https://www.qubes-os.org/ # # Copyright (C) 2010-2016 Joanna Rutkowska # Copyright (C) 2016 Wojtek Porczyk # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # '''qvm-features - Manage domain's tags''' from __future__ import print_function import sys import qubesadmin import qubesadmin.tools def mode_query(args): '''Query/list tags''' if not hasattr(args, 'tag') or args.tag is None: # list tags = list(sorted(args.domains[0].tags)) if tags: print('\n'.join(tags)) else: # real query if args.tag not in args.domains[0].tags: return 1 print(args.tag) return 0 def mode_add(args): '''Add tag''' for tag in args.tag: args.domains[0].tags.add(tag) return 0 def mode_del(args): '''Delete tag''' for tag in args.tag: args.domains[0].tags.discard(tag) return 0 def get_parser(): ''' Return qvm-tags tool command line parser ''' parser = qubesadmin.tools.QubesArgumentParser( vmname_nargs=1, description='manage domain\'s tags') parser.register('action', 'parsers', qubesadmin.tools.AliasedSubParsersAction) sub_parsers = parser.add_subparsers( title='commands', description="For more information see qvm-tags command -h", dest='command') list_parser = sub_parsers.add_parser('list', aliases=('ls', 'l'), help='list tags') list_parser.add_argument('tag', nargs='?', action='store', default=None) list_parser.set_defaults(func=mode_query) add_parser = sub_parsers.add_parser('add', aliases=('a', 'set'), help='add tag') add_parser.add_argument('tag', nargs='+', action='store') add_parser.set_defaults(func=mode_add) del_parser = sub_parsers.add_parser('del', aliases=('d', 'unset', 'u'), help='add tag') del_parser.add_argument('tag', nargs=1, action='store') del_parser.set_defaults(func=mode_del) parser.set_defaults(func=mode_query) return parser def main(args=None, app=None): '''Main routine of :program:`qvm-tags`. :param list args: Optional arguments to override those delivered from \ command line. ''' parser = get_parser() args = parser.parse_args(args, app=app) return args.func(args) if __name__ == '__main__': sys.exit(main())