Make pylint happy

- fix super-with-arguments
- fix various other issues
- review broad-except and ignore where appropriate

qubesmanager/about.py

@@ -31,7 +31,7 @@ from . import ui_about  # pylint: disable=no-name-in-module
 # pylint: disable=too-few-public-methods
 class AboutDialog(ui_about.Ui_AboutDialog, QDialog):
     def __init__(self):
-        super(AboutDialog, self).__init__()
+        super().__init__()
 
         self.setupUi(self)
 

qubesmanager/appmenu_select.py

@@ -28,7 +28,7 @@ from qubesadmin import exc
 # pylint: disable=too-few-public-methods
 class AppListWidgetItem(QtWidgets.QListWidgetItem):
     def __init__(self, name, ident, tooltip=None, parent=None):
-        super(AppListWidgetItem, self).__init__(name, parent)
+        super().__init__(name, parent)
         additional_description = ".desktop filename: " + str(ident)
         if not tooltip:
             tooltip = additional_description

qubesmanager/backup.py

@@ -70,7 +70,7 @@ class BackupThread(QtCore.QThread):
 
 class BackupVMsWindow(ui_backupdlg.Ui_Backup, QtWidgets.QWizard):
     def __init__(self, qt_app, qubes_app, dispatcher, parent=None):
-        super(BackupVMsWindow, self).__init__(parent)
+        super().__init__(parent)
 
         self.qt_app = qt_app
         self.qubes_app = qubes_app

qubesmanager/backup_utils.py

@@ -101,7 +101,7 @@ def select_path_button_clicked(dialog, select_file=False, read_only=False):
                     dialog.tr("Unexpected characters in path!"),
                     dialog.tr("Backup path can only contain the following "
                               "special characters: /:.,_+=() -"))
-            except Exception as ex:
+            except Exception as ex:  # pylint: disable=broad-except
                 QtWidgets.QMessageBox.warning(
                     dialog,
                     dialog.tr("Failed to select path!"),

qubesmanager/bootfromdevice.py

@@ -30,7 +30,7 @@ from qubesadmin import exc
 class VMBootFromDeviceWindow(ui_bootfromdevice.Ui_BootDialog,
                              QtWidgets.QDialog):
     def __init__(self, vm, qapp, qubesapp=None, parent=None):
-        super(VMBootFromDeviceWindow, self).__init__(parent)
+        super().__init__(parent)
 
         self.vm = vm
         self.qapp = qapp

qubesmanager/clone_vm.py

@@ -38,7 +38,7 @@ from .ui_clonevmdlg import Ui_CloneVMDlg  # pylint: disable=import-error
 
 class CloneVMDlg(QtWidgets.QDialog, Ui_CloneVMDlg):
     def __init__(self, qtapp, app, parent=None, src_vm=None):
-        super(CloneVMDlg, self).__init__(parent)
+        super().__init__(parent)
         self.setupUi(self)
 
         self.qtapp = qtapp

qubesmanager/common_threads.py

@@ -56,7 +56,7 @@ class RemoveVMThread(QubesThread):
 # pylint: disable=too-few-public-methods
 class CloneVMThread(QubesThread):
     def __init__(self, vm, dst_name, pool=None, label=None):
-        super(CloneVMThread, self).__init__(vm)
+        super().__init__(vm)
         self.dst_name = dst_name
         self.pool = pool
         self.label = label

qubesmanager/create_new_vm.py

@@ -87,7 +87,7 @@ class CreateVMThread(QtCore.QThread):
 
 class NewVmDlg(QtWidgets.QDialog, Ui_NewVMDlg):
     def __init__(self, qtapp, app, parent=None):
-        super(NewVmDlg, self).__init__(parent)
+        super().__init__(parent)
         self.setupUi(self)
 
         self.qtapp = qtapp

qubesmanager/device_list.py

@@ -23,7 +23,7 @@ from PyQt5 import QtWidgets  # pylint: disable=import-error
 
 class PCIDeviceListWindow(ui_devicelist.Ui_Dialog, QtWidgets.QDialog):
     def __init__(self, vm, qapp, dev_list, no_strict_reset_list, parent=None):
-        super(PCIDeviceListWindow, self).__init__(parent)
+        super().__init__(parent)
 
         self.vm = vm
         self.qapp = qapp

qubesmanager/firewall.py

@@ -33,7 +33,7 @@ class FirewallModifiedOutsideError(ValueError):
 
 class NewFwRuleDlg(QtWidgets.QDialog, ui_newfwruledlg.Ui_NewFwRuleDlg):
     def __init__(self, parent=None):
-        super(NewFwRuleDlg, self).__init__(parent)
+        super().__init__(parent)
         self.setupUi(self)
 
         self.set_ok_state(False)

qubesmanager/global_settings.py

@@ -50,12 +50,12 @@ def _run_qrexec_repo(service, arg=''):
         env=env
     )
     if p.stderr:
-        raise RuntimeError(
+        raise exc.QubesException(
             QtCore.QCoreApplication.translate(
                 "GlobalSettings", 'qrexec call stderr was not empty'),
             {'stderr': p.stderr.decode('utf-8')})
     if p.returncode != 0:
-        raise RuntimeError(
+        raise exc.QubesException(
             QtCore.QCoreApplication.translate(
                 "GlobalSettings",
                 'qrexec call exited with non-zero return code'),
@@ -67,7 +67,7 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
                            QtWidgets.QDialog):
 
     def __init__(self, app, qubes_app, parent=None):
-        super(GlobalSettingsWindow, self).__init__(parent)
+        super().__init__(parent)
 
         self.app = app
         self.qubes_app = qubes_app
@@ -287,7 +287,7 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
             else:
                 try:
                     self.vm.features[feature] = widget.currentData()
-                except exc.QubesDaemonAccessError as ex:
+                except exc.QubesDaemonAccessError:
                     self.errors.append(
                         "Failed to set {} due to insufficient "
                         "permissions".format(feature))
@@ -309,7 +309,8 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
         try:
             self.qmemman_config = ConfigParser()
             self.vm_min_mem_val = '200MiB'  # str(qmemman_algo.MIN_PREFMEM)
-            self.dom0_mem_boost_val = '350MiB'  # str(qmemman_algo.DOM0_MEM_BOOST)
+            # str(qmemman_algo.DOM0_MEM_BOOST)
+            self.dom0_mem_boost_val = '350MiB'
 
             self.qmemman_config.read(qmemman_config_path)
             if self.qmemman_config.has_section('global'):
@@ -360,7 +361,7 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
                     qmemman_config_file = open(qmemman_config_path, 'a')
                     self.qmemman_config.write(qmemman_config_file)
                     qmemman_config_file.close()
-                except Exception as ex:
+                except Exception as ex:  # pylint: disable=broad-except
                     self.errors.append(
                         "Failed to set memory settings due to {}".format(
                             str(ex)))
@@ -380,7 +381,7 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
 
                 try:
                     qmemman_config_file = open(qmemman_config_path, 'r')
-                except Exception as ex:
+                except Exception as ex:  # pylint: disable=broad-except
                     self.errors.append(
                         "Failed to set memory settings due to {}".format(
                             str(ex)))
@@ -405,7 +406,7 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
                     qmemman_config_file = open(qmemman_config_path, 'w')
                     qmemman_config_file.writelines(config_lines)
                     qmemman_config_file.close()
-                except Exception as ex:
+                except Exception as ex:  # pylint: disable=broad-except
                     self.errors.append(
                         "Failed to set memory settings due to {}".format(
                             str(ex)))
@@ -435,7 +436,7 @@ class GlobalSettingsWindow(ui_globalsettingsdlg.Ui_GlobalSettings,
                 dct = repos[lst[0]] = dict()
                 dct['prettyname'] = lst[1]
                 dct['enabled'] = lst[2] == 'enabled'
-        except Exception as ex:
+        except exc.QubesException:
             self.dom0_updates_repo.setEnabled(False)
             self.itl_tmpl_updates_repo.setEnabled(False)
             self.comm_tmpl_updates_repo.setEnabled(False)

qubesmanager/informationnotes.py

@@ -30,7 +30,7 @@ class InformationNotesDialog(ui_informationnotes.Ui_InformationNotesDialog,
                              QDialog):
     # pylint: disable=too-few-public-methods
     def __init__(self):
-        super(InformationNotesDialog, self).__init__()
+        super().__init__()
 
         self.setupUi(self)
         details = subprocess.check_output(

qubesmanager/log_dialog.py

@@ -36,7 +36,7 @@ class LogDialog(ui_logdlg.Ui_LogDialog, QtWidgets.QDialog):
     # pylint: disable=too-few-public-methods
 
     def __init__(self, app, log_path, parent=None):
-        super(LogDialog, self).__init__(parent)
+        super().__init__(parent)
 
         self.app = app
         self.log_path = log_path

qubesmanager/multiselectwidget.py

@@ -10,7 +10,7 @@ class MultiSelectWidget(
     itemsRemoved = QtCore.pyqtSignal(list)
 
     def __init__(self, parent=None):
-        super(MultiSelectWidget, self).__init__(parent)
+        super().__init__(parent)
         self.setupUi(self)
         self.add_selected_button.clicked.connect(self.add_selected)
         self.add_all_button.clicked.connect(self.add_all)

qubesmanager/qube_manager.py

@@ -58,16 +58,16 @@ from . import clone_vm
 
 class SearchBox(QLineEdit):
     def __init__(self, parent=None):
-        super(SearchBox, self).__init__(parent)
+        super().__init__(parent)
         self.focusing = False
 
     def focusInEvent(self, e):  # pylint: disable=invalid-name
-        super(SearchBox, self).focusInEvent(e)
+        super().focusInEvent(e)
         self.selectAll()
         self.focusing = True
 
     def mousePressEvent(self, e):  # pylint: disable=invalid-name
-        super(SearchBox, self).mousePressEvent(e)
+        super().mousePressEvent(e)
         if self.focusing:
             self.selectAll()
             self.focusing = False
@@ -78,7 +78,7 @@ icon_size = QSize(22, 22)
 class StateIconDelegate(QStyledItemDelegate):
     lastIndex = None
     def __init__(self):
-        super(StateIconDelegate, self).__init__()
+        super().__init__()
         self.stateIcons = {
                 "Running" : QIcon(":/on.png"),
                 "Paused" : QIcon(":/paused.png"),
@@ -104,7 +104,7 @@ class StateIconDelegate(QStyledItemDelegate):
                 }
 
     def sizeHint(self, option, index):
-        hint = super(StateIconDelegate, self).sizeHint(option, index)
+        hint = super().sizeHint(option, index)
         option = QStyleOptionViewItem(option)
         option.features |= option.HasDecoration
         widget = option.widget
@@ -153,7 +153,7 @@ class StateIconDelegate(QStyledItemDelegate):
 
     def helpEvent(self, event, view, option, index):
         if event.type() != QEvent.ToolTip:
-            return super(StateIconDelegate, self).helpEvent(event, view,
+            return super().helpEvent(event, view,
                     option, index)
         option = QStyleOptionViewItem(option)
         widget = option.widget
@@ -222,10 +222,9 @@ class VmInfo():
                     self.state['outdated'] = "to-be-outdated"
                 else:
                     try:
-                        for vol in self.vm.volumes.values():
-                            if vol.is_outdated():
-                                self.state['outdated'] = "outdated"
-                                break
+                        if any(vol.is_outdated()
+                               for vol in self.vm.volumes.values()):
+                            self.state['outdated'] = "outdated"
                     except exc.QubesDaemonAccessError:
                         pass
 
@@ -612,7 +611,7 @@ class UpdateVMThread(common_threads.QubesThread):
 # pylint: disable=too-few-public-methods
 class RunCommandThread(common_threads.QubesThread):
     def __init__(self, vm, command_to_run):
-        super(RunCommandThread, self).__init__(vm)
+        super().__init__(vm)
         self.command_to_run = command_to_run
 
     def run(self):
@@ -638,7 +637,7 @@ class VmManagerWindow(ui_qubemanager.Ui_VmManagerWindow, QMainWindow):
     settings_loaded = False
 
     def __init__(self, qt_app, qubes_app, dispatcher, _parent=None):
-        super(VmManagerWindow, self).__init__()
+        super().__init__()
         self.setupUi(self)
 
         self.manager_settings = QSettings(self)
@@ -816,7 +815,7 @@ class VmManagerWindow(ui_qubemanager.Ui_VmManagerWindow, QMainWindow):
     def keyPressEvent(self, event):  # pylint: disable=invalid-name
         if event.key() == Qt.Key_Escape:
             self.searchbox.clear()
-        super(VmManagerWindow, self).keyPressEvent(event)
+        super().keyPressEvent(event)
 
     def clear_threads(self):
         for thread in self.threads_list:

qubesmanager/releasenotes.py

@@ -28,7 +28,7 @@ from . import ui_releasenotes  # pylint: disable=no-name-in-module
 class ReleaseNotesDialog(ui_releasenotes.Ui_ReleaseNotesDialog, QDialog):
     # pylint: disable=too-few-public-methods
     def __init__(self):
-        super(ReleaseNotesDialog, self).__init__()
+        super().__init__()
 
         self.setupUi(self)
 

qubesmanager/restore.py

@@ -70,7 +70,7 @@ class RestoreThread(QtCore.QThread):
 
 class RestoreVMsWindow(ui_restoredlg.Ui_Restore, QtWidgets.QWizard):
     def __init__(self, qt_app, qubes_app, parent=None):
-        super(RestoreVMsWindow, self).__init__(parent)
+        super().__init__(parent)
 
         self.qt_app = qt_app
         self.qubes_app = qubes_app
@@ -122,7 +122,7 @@ class RestoreVMsWindow(ui_restoredlg.Ui_Restore, QtWidgets.QWizard):
         if self.page(p_int) is self.select_vms_page:
             self.vms_to_restore = None
         else:
-            super(RestoreVMsWindow, self).cleanupPage(p_int)
+            super().cleanupPage(p_int)
 
     def __fill_vms_list__(self):
         if self.vms_to_restore is not None:

qubesmanager/settings.py

@@ -48,7 +48,7 @@ from . import ui_settingsdlg  # pylint: disable=no-name-in-module
 # pylint: disable=too-few-public-methods
 class RenameVMThread(common_threads.QubesThread):
     def __init__(self, vm, new_vm_name, dependencies):
-        super(RenameVMThread, self).__init__(vm)
+        super().__init__(vm)
         self.new_vm_name = new_vm_name
         self.dependencies = dependencies
 
@@ -88,7 +88,7 @@ class RenameVMThread(common_threads.QubesThread):
 # pylint: disable=too-few-public-methods
 class RefreshAppsVMThread(common_threads.QubesThread):
     def __init__(self, vm, button):
-        super(RefreshAppsVMThread, self).__init__(vm)
+        super().__init__(vm)
         self.button = button
 
     def run(self):
@@ -129,7 +129,7 @@ class VMSettingsWindow(ui_settingsdlg.Ui_SettingsDialog, QtWidgets.QDialog):
 
     def __init__(self, vm, init_page="basic", qapp=None, qubesapp=None,
                  parent=None):
-        super(VMSettingsWindow, self).__init__(parent)
+        super().__init__(parent)
 
         self.vm = vm
         self.qapp = qapp
@@ -251,7 +251,7 @@ class VMSettingsWindow(ui_settingsdlg.Ui_SettingsDialog, QtWidgets.QDialog):
         if event.key() == QtCore.Qt.Key_Enter \
                 or event.key() == QtCore.Qt.Key_Return:
             return
-        super(VMSettingsWindow, self).keyPressEvent(event)
+        super().keyPressEvent(event)
 
     def accept(self):
         self.save_and_apply()
@@ -1096,7 +1096,7 @@ class VMSettingsWindow(ui_settingsdlg.Ui_SettingsDialog, QtWidgets.QDialog):
         # pylint: disable=too-few-public-methods
         class DevListWidgetItem(QtWidgets.QListWidgetItem):
             def __init__(self, dev, unknown=False, parent=None):
-                super(DevListWidgetItem, self).__init__(parent)
+                super().__init__(parent)
                 name = dev.ident.replace('_', ":") + ' ' + dev.description
                 if unknown:
                     name += ' (unknown)'

qubesmanager/template_manager.py

@@ -35,7 +35,7 @@ class TemplateManagerWindow(
 
     def __init__(self, qt_app, qubes_app, dispatcher, parent=None):
         # pylint: disable=unused-argument
-        super(TemplateManagerWindow, self).__init__()
+        super().__init__()
         self.setupUi(self)
 
         self.qubes_app = qubes_app
@@ -244,7 +244,7 @@ class TemplateManagerWindow(
 class VMNameItem(QtWidgets.QTableWidgetItem):
     # pylint: disable=too-few-public-methods
     def __init__(self, vm):
-        super(VMNameItem, self).__init__()
+        super().__init__()
         self.vm = vm
 
         self.setText(self.vm.name)
@@ -253,7 +253,7 @@ class VMNameItem(QtWidgets.QTableWidgetItem):
 
 class StatusItem(QtWidgets.QTableWidgetItem):
     def __init__(self, vm):
-        super(StatusItem, self).__init__()
+        super().__init__()
         self.vm = vm
 
         self.state = None
@@ -278,7 +278,7 @@ class StatusItem(QtWidgets.QTableWidgetItem):
 class CurrentTemplateItem(QtWidgets.QTableWidgetItem):
     # pylint: disable=too-few-public-methods
     def __init__(self, vm):
-        super(CurrentTemplateItem, self).__init__()
+        super().__init__()
         self.vm = vm
 
         self.setText(self.vm.template.name)
@@ -291,7 +291,7 @@ class CurrentTemplateItem(QtWidgets.QTableWidgetItem):
 
 class NewTemplateItem(QtWidgets.QComboBox):
     def __init__(self, vm, templates, table_widget):
-        super(NewTemplateItem, self).__init__()
+        super().__init__()
         self.vm = vm
         self.table_widget = table_widget
         self.changed = False

qubesmanager/utils.py

@@ -77,7 +77,7 @@ class SizeSpinBox(QtWidgets.QSpinBox):
     """A SpinBox subclass with extended handling for sizes in MB and GB"""
     # pylint: disable=invalid-name, no-self-use
     def __init__(self, *args, **kwargs):
-        super(SizeSpinBox, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
         self.pattern = r'(\d+\.?\d?) ?(GB|MB)'
         self.regex = re.compile(self.pattern)