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qvm-prefs: support resetting values

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This commit is contained in:
Wojtek Porczyk 2015-09-23 15:31:08 +02:00
parent af1a6a49bd
commit b0af95fa2b
2 changed files with 27 additions and 13 deletions
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10
doc/manpages/qvm-prefs.rst
View File

@ -6,7 +6,7 @@
Synopsis Synopsis
-------- --------
:command:`qvm-prefs` qvm-prefs [-h] [--xml *XMLFILE*] [--verbose] [--quiet] [--force-root] [--help-properties] *VMNAME* [*PROPERTY* [*VALUE*]] :command:`qvm-prefs` qvm-prefs [-h] [--xml *XMLFILE*] [--verbose] [--quiet] [--force-root] [--help-properties] *VMNAME* [*PROPERTY* [*VALUE*\|--delete]]
Options Options
------- -------
@ -35,6 +35,10 @@ Options
Force to run as root. Force to run as root.
.. option:: --unset, --default, --delete, -D
Unset the property. If is has default value, it will be used instead.
Common properties Common properties
================= =================
@ -54,11 +58,11 @@ include_in_backups
works only in qubes-manager). You can always manually select or deselect works only in qubes-manager). You can always manually select or deselect
any VM for backup. any VM for backup.
pcidevs pcidevs
PCI devices assigned to the VM. Should be edited using PCI devices assigned to the VM. Should be edited using
:manpage:`qvm-pci(1)` tool. :manpage:`qvm-pci(1)` tool.
pci_strictreset pci_strictreset
Accepted values: ``True``, ``False`` Accepted values: ``True``, ``False``
Control whether prevent assigning to VM a device which does not support any Control whether prevent assigning to VM a device which does not support any

30
qubes/tools/qvm_prefs.py
View File

@ -22,7 +22,7 @@
# #
# TODO list properties for all classes # TODO list properties for all classes
# TODO indicate default values # TODO list only non-default properties
from __future__ import print_function from __future__ import print_function
@ -72,9 +72,7 @@ class _HelpPropertiesAction(argparse.Action):
parser = qubes.tools.get_parser_base(want_force_root=True) parser = qubes.tools.get_parser_base(want_force_root=True)
#parser.add_argument('--property', '--prop', '-p', parser.add_argument('--help-properties', action=_HelpPropertiesAction)
# action=qubes.tools.PropertyAction,
# help='set domain\'s property (may be given multiple times)')
parser.add_argument('name', metavar='VMNAME', parser.add_argument('name', metavar='VMNAME',
help='name of the domain to change') help='name of the domain to change')
@ -83,11 +81,17 @@ parser.add_argument('property', metavar='PROPERTY',
nargs='?', nargs='?',
help='name of the property to show or change') help='name of the property to show or change')
parser.add_argument('value', metavar='VALUE', parser_value = parser.add_mutually_exclusive_group()
parser_value.add_argument('value', metavar='VALUE',
nargs='?', nargs='?',
help='new value of the property') help='new value of the property')
parser.add_argument('--help-properties', action=_HelpPropertiesAction) parser.add_argument('--unset', '--default', '--delete', '-D',
dest='delete',
action='store_true',
help='unset the property; if property has default value, it will be used'
' instead')
def main(): def main():
@ -123,12 +127,18 @@ def main():
return True return True
if args.value is None: if args.value is not None:
print(str(getattr(domain, args.property))) setattr(domain, args.property, args.value)
app.save()
return True return True
setattr(domain, args.property, args.value) if args.delete:
app.save() delattr(domain, args.property)
app.save()
return True
print(str(getattr(domain, args.property)))
return True return True