6ca54e18a3
QubesException class is used with meaningful messages and should be ok to use it directly as error message. For other exceptions, still use full traceback (most likely a bug somewhere, not user error). Fixes QubesOS/qubes-issues#3610
113 baris
3.2 KiB
Python
113 baris
3.2 KiB
Python
#
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# The Qubes OS Project, https://www.qubes-os.org/
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#
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# Copyright (C) 2010-2016 Joanna Rutkowska <joanna@invisiblethingslab.com>
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# Copyright (C) 2016 Wojtek Porczyk <woju@invisiblethingslab.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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'''qvm-features - Manage domain's tags'''
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from __future__ import print_function
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import sys
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import qubesadmin
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import qubesadmin.exc
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import qubesadmin.tools
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def mode_query(args):
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'''Query/list tags'''
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if not hasattr(args, 'tag') or args.tag is None:
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# list
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tags = list(sorted(args.domains[0].tags))
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if tags:
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print('\n'.join(tags))
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else:
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# real query
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if args.tag not in args.domains[0].tags:
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return 1
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print(args.tag)
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return 0
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def mode_add(args):
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'''Add tag'''
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for tag in args.tag:
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args.domains[0].tags.add(tag)
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return 0
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def mode_del(args):
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'''Delete tag'''
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for tag in args.tag:
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args.domains[0].tags.discard(tag)
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return 0
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def get_parser():
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''' Return qvm-tags tool command line parser '''
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parser = qubesadmin.tools.QubesArgumentParser(
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vmname_nargs=1,
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description='manage domain\'s tags')
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parser.register('action', 'parsers',
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qubesadmin.tools.AliasedSubParsersAction)
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sub_parsers = parser.add_subparsers(
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title='commands',
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description="For more information see qvm-tags command -h",
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dest='command')
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list_parser = sub_parsers.add_parser('list', aliases=('ls', 'l'),
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help='list tags')
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list_parser.add_argument('tag', nargs='?',
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action='store', default=None)
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list_parser.set_defaults(func=mode_query)
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add_parser = sub_parsers.add_parser('add', aliases=('a', 'set'),
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help='add tag')
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add_parser.add_argument('tag', nargs='+',
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action='store')
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add_parser.set_defaults(func=mode_add)
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del_parser = sub_parsers.add_parser('del', aliases=('d', 'unset', 'u'),
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help='add tag')
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del_parser.add_argument('tag', nargs=1,
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action='store')
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del_parser.set_defaults(func=mode_del)
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parser.set_defaults(func=mode_query)
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return parser
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def main(args=None, app=None):
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'''Main routine of :program:`qvm-tags`.
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:param list args: Optional arguments to override those delivered from \
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command line.
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'''
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parser = get_parser()
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args = parser.parse_args(args, app=app)
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try:
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return args.func(args)
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except qubesadmin.exc.QubesException as e:
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parser.error_runtime(e)
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if __name__ == '__main__':
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sys.exit(main())
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