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
101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
# coding=utf-8
|
|
#
|
|
# The Qubes OS Project, https://www.qubes-os.org/
|
|
#
|
|
# Copyright (C) 2010-2016 Joanna Rutkowska <joanna@invisiblethingslab.com>
|
|
# Copyright (C) 2016 Wojtek Porczyk <woju@invisiblethingslab.com>
|
|
# Copyright (C) 2017 Marek Marczykowski-Górecki
|
|
# <marmarek@invisiblethingslab.com>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser 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 features'''
|
|
|
|
from __future__ import print_function
|
|
|
|
import sys
|
|
|
|
import qubesadmin
|
|
import qubesadmin.tools
|
|
|
|
parser = qubesadmin.tools.QubesArgumentParser(
|
|
vmname_nargs=1,
|
|
description='manage domain\'s features')
|
|
|
|
parser.add_argument('feature', metavar='FEATURE',
|
|
action='store', nargs='?',
|
|
help='name of the feature')
|
|
|
|
parser.add_argument('value', metavar='VALUE',
|
|
action='store', nargs='?',
|
|
help='new value of the feature')
|
|
|
|
parser.add_argument('--unset', '--default', '--delete', '-D',
|
|
dest='delete',
|
|
action='store_true',
|
|
help='unset the feature')
|
|
|
|
|
|
def main(args=None, app=None):
|
|
'''Main routine of :program:`qvm-features`.
|
|
|
|
:param list args: Optional arguments to override those delivered from \
|
|
command line.
|
|
'''
|
|
|
|
args = parser.parse_args(args, app=app)
|
|
vm = args.domains[0]
|
|
|
|
if args.feature is None:
|
|
if args.delete:
|
|
parser.error('--unset requires a feature')
|
|
|
|
try:
|
|
features = [(feat, vm.features[feat]) for feat in vm.features]
|
|
qubesadmin.tools.print_table(features)
|
|
except qubesadmin.exc.QubesException as e:
|
|
parser.error_runtime(e)
|
|
|
|
elif args.delete:
|
|
if args.value is not None:
|
|
parser.error('cannot both set and unset a value')
|
|
try:
|
|
del vm.features[args.feature]
|
|
except KeyError:
|
|
pass
|
|
except qubesadmin.exc.QubesException as e:
|
|
parser.error_runtime(e)
|
|
|
|
elif args.value is None:
|
|
try:
|
|
print(vm.features[args.feature])
|
|
return 0
|
|
except KeyError:
|
|
return 1
|
|
except qubesadmin.exc.QubesException as e:
|
|
parser.error_runtime(e)
|
|
else:
|
|
try:
|
|
vm.features[args.feature] = args.value
|
|
except qubesadmin.exc.QubesException as e:
|
|
parser.error_runtime(e)
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|