Qubes/manager
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Added try/except for all __lt__() methods since some VM could be deleted

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before the signal is received and handled.

It fixes renaming a VM and deleting two domains at same time.
This commit is contained in:
donoban 2018-05-31 00:04:46 +02:00
parent 85dc0f9083
commit ae23443608
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GPG Key ID: 141310D8E3ED08A5
2 changed files with 112 additions and 68 deletions
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8
qubesmanager/qube_manager.py
View File

@ -961,7 +961,13 @@ class VmManagerWindow(ui_qubemanager.Ui_VmManagerWindow, QtGui.QMainWindow):
settings_window = settings.VMSettingsWindow(
vm, self.qt_app, "basic")
settings_window.exec_()
self.vms_in_table[vm.qid].update()
# vm could be deleted on renaming
try:
self.vms_in_table[vm.qid].update()
except exc.QubesPropertyAccessError:
pass
# noinspection PyArgumentList
@QtCore.pyqtSlot(name='on_action_appmenus_triggered')

172
qubesmanager/table_widgets.py
View File

@ -24,6 +24,8 @@ from PyQt4 import QtGui # pylint: disable=import-error
from PyQt4 import QtCore # pylint: disable=import-error
# pylint: disable=too-few-public-methods
from qubesadmin import exc
power_order = QtCore.Qt.DescendingOrder
update_order = QtCore.Qt.AscendingOrder
@ -74,13 +76,16 @@ class VmTypeWidget(VmIconWidget):
self.value = value
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
def __init__(self, vm, parent=None):
(icon_path, tooltip) = self.get_vm_icon(vm)
@ -120,13 +125,16 @@ class VmLabelWidget(VmIconWidget):
self.value = value
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
def __init__(self, vm, parent=None):
icon_path = self.get_vm_icon_path(vm)
@ -149,11 +157,14 @@ class VmNameItem(QtGui.QTableWidgetItem):
self.qid = vm.qid
def __lt__(self, other):
if self.qid == 0:
return True
elif other.qid == 0:
try:
if self.qid == 0:
return True
elif other.qid == 0:
return False
return super(VmNameItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
return super(VmNameItem, self).__lt__(other)
class VmStatusIcon(QtGui.QLabel):
@ -193,9 +204,12 @@ class VmInfoWidget(QtGui.QWidget):
def __lt__(self, other):
# pylint: disable=too-many-return-statements
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
except exc.QubesPropertyAccessError:
return False
self_val = self.upd_info_item.value
@ -278,13 +292,16 @@ class VmTemplateItem(QtGui.QTableWidgetItem):
self.setText(self.vm.klass)
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.text() == other.text():
return self.vm.name < other.vm.name
return super(VmTemplateItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
elif self.text() == other.text():
return self.vm.name < other.vm.name
return super(VmTemplateItem, self).__lt__(other)
class VmNetvmItem(QtGui.QTableWidgetItem):
@ -302,13 +319,16 @@ class VmNetvmItem(QtGui.QTableWidgetItem):
self.setText(self.vm.netvm.name)
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.text() == other.text():
return self.vm.name < other.vm.name
return super(VmNetvmItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
elif self.text() == other.text():
return self.vm.name < other.vm.name
return super(VmNetvmItem, self).__lt__(other)
class VmInternalItem(QtGui.QTableWidgetItem):
@ -325,11 +345,14 @@ class VmInternalItem(QtGui.QTableWidgetItem):
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
return super(VmInternalItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
return super(VmInternalItem, self).__lt__(other)
# features man qvm-features
@ -350,13 +373,16 @@ class VmUpdateInfoWidget(QtGui.QWidget):
self.value = 0
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
def __init__(self, vm, show_text=True, parent=None):
super(VmUpdateInfoWidget, self).__init__(parent)
@ -457,13 +483,16 @@ class VmSizeOnDiskItem(QtGui.QTableWidgetItem):
self.setText(str(self.value) + " MiB")
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
class VmIPItem(QtGui.QTableWidgetItem):
@ -479,11 +508,14 @@ class VmIPItem(QtGui.QTableWidgetItem):
self.setText(self.ip if self.ip is not None else 'n/a')
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
return super(VmIPItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
return super(VmIPItem, self).__lt__(other)
class VmIncludeInBackupsItem(QtGui.QTableWidgetItem):
@ -501,13 +533,16 @@ class VmIncludeInBackupsItem(QtGui.QTableWidgetItem):
self.setText("")
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.vm.include_in_backups == other.vm.include_in_backups:
return self.vm.name < other.vm.name
return self.vm.include_in_backups < other.vm.include_in_backups
except exc.QubesPropertyAccessError:
return False
elif self.vm.include_in_backups == other.vm.include_in_backups:
return self.vm.name < other.vm.name
return self.vm.include_in_backups < other.vm.include_in_backups
class VmLastBackupItem(QtGui.QTableWidgetItem):
@ -528,14 +563,17 @@ class VmLastBackupItem(QtGui.QTableWidgetItem):
self.setText("")
def __lt__(self, other):
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
return False
elif self.backup_timestamp == other.backup_timestamp:
return self.vm.name < other.vm.name
elif not self.backup_timestamp:
return False
elif not other.backup_timestamp:
return True
return self.backup_timestamp < other.backup_timestamp
except exc.QubesPropertyAccessError:
return False
elif self.backup_timestamp == other.backup_timestamp:
return self.vm.name < other.vm.name
elif not self.backup_timestamp:
return False
elif not other.backup_timestamp:
return True
return self.backup_timestamp < other.backup_timestamp