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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6
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_()
# 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')

38
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
@ -74,6 +76,7 @@ class VmTypeWidget(VmIconWidget):
self.value = value
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -81,6 +84,8 @@ class VmTypeWidget(VmIconWidget):
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
def __init__(self, vm, parent=None):
(icon_path, tooltip) = self.get_vm_icon(vm)
@ -120,6 +125,7 @@ class VmLabelWidget(VmIconWidget):
self.value = value
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -127,6 +133,8 @@ class VmLabelWidget(VmIconWidget):
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
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):
try:
if self.qid == 0:
return True
elif other.qid == 0:
return False
return super(VmNameItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
class VmStatusIcon(QtGui.QLabel):
@ -193,10 +204,13 @@ class VmInfoWidget(QtGui.QWidget):
def __lt__(self, other):
# pylint: disable=too-many-return-statements
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
other_val = other.upd_info_item.value
@ -278,6 +292,7 @@ class VmTemplateItem(QtGui.QTableWidgetItem):
self.setText(self.vm.klass)
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -285,6 +300,8 @@ class VmTemplateItem(QtGui.QTableWidgetItem):
elif self.text() == other.text():
return self.vm.name < other.vm.name
return super(VmTemplateItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
class VmNetvmItem(QtGui.QTableWidgetItem):
@ -302,6 +319,7 @@ class VmNetvmItem(QtGui.QTableWidgetItem):
self.setText(self.vm.netvm.name)
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -309,6 +327,8 @@ class VmNetvmItem(QtGui.QTableWidgetItem):
elif self.text() == other.text():
return self.vm.name < other.vm.name
return super(VmNetvmItem, self).__lt__(other)
except exc.QubesPropertyAccessError:
return False
class VmInternalItem(QtGui.QTableWidgetItem):
@ -325,11 +345,14 @@ class VmInternalItem(QtGui.QTableWidgetItem):
def __lt__(self, other):
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
# features man qvm-features
@ -350,6 +373,7 @@ class VmUpdateInfoWidget(QtGui.QWidget):
self.value = 0
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -357,6 +381,8 @@ class VmUpdateInfoWidget(QtGui.QWidget):
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
def __init__(self, vm, show_text=True, parent=None):
super(VmUpdateInfoWidget, self).__init__(parent)
@ -457,6 +483,7 @@ class VmSizeOnDiskItem(QtGui.QTableWidgetItem):
self.setText(str(self.value) + " MiB")
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -464,6 +491,8 @@ class VmSizeOnDiskItem(QtGui.QTableWidgetItem):
elif self.value == other.value:
return self.vm.name < other.vm.name
return self.value < other.value
except exc.QubesPropertyAccessError:
return False
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):
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
class VmIncludeInBackupsItem(QtGui.QTableWidgetItem):
@ -501,6 +533,7 @@ class VmIncludeInBackupsItem(QtGui.QTableWidgetItem):
self.setText("")
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -508,6 +541,8 @@ class VmIncludeInBackupsItem(QtGui.QTableWidgetItem):
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
class VmLastBackupItem(QtGui.QTableWidgetItem):
@ -528,6 +563,7 @@ class VmLastBackupItem(QtGui.QTableWidgetItem):
self.setText("")
def __lt__(self, other):
try:
if self.vm.qid == 0:
return True
elif other.vm.qid == 0:
@ -539,3 +575,5 @@ class VmLastBackupItem(QtGui.QTableWidgetItem):
elif not other.backup_timestamp:
return True
return self.backup_timestamp < other.backup_timestamp
except exc.QubesPropertyAccessError:
return False