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qubes/devices: allow non-persistent attach

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QubesOS/qubes-issues#2257
This commit is contained in:
Marek Marczykowski-Górecki 2016-08-18 14:05:07 +02:00
parent 70d3f58024
commit e5d6c4e078
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GPG Key ID: 063938BA42CFA724
1 changed files with 6 additions and 4 deletions
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6
qubes/devices.py
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@ -113,7 +113,7 @@ class DeviceCollection(object):
self.devclass = qubes.utils.get_entry_point_one(
'qubes.devices', self._class)
def attach(self, device):
def attach(self, device, persistent=True):
'''Attach (add) device to domain.
:param DeviceInfo device: device object
@ -124,11 +124,12 @@ class DeviceCollection(object):
'device {!r} of class {} already attached to {!r}'.format(
device, self._class, self._vm))
self._vm.fire_event_pre('device-pre-attach:' + self._class, device)
if persistent:
self._set.add(device)
self._vm.fire_event('device-attach:' + self._class, device)
def detach(self, device):
def detach(self, device, persistent=True):
'''Detach (remove) device from domain.
:param DeviceInfo device: device object
@ -139,6 +140,7 @@ class DeviceCollection(object):
'device {!r} of class {} not attached to {!r}'.format(
device, self._class, self._vm))
self._vm.fire_event_pre('device-pre-detach:' + self._class, device)
if persistent:
self._set.remove(device)
self._vm.fire_event('device-detach:' + self._class, device)