pylint

Orange/canvas/__main__.py

@@ -20,7 +20,6 @@
 import pkg_resources
 
 from AnyQt.QtGui import QFont, QColor, QPalette, QDesktopServices, QIcon
-from AnyQt.QtWidgets import QMessageBox
 from AnyQt.QtCore import (
     Qt, QDir, QUrl, QSettings, QThread, pyqtSignal, QT_VERSION
 )
@@ -195,15 +194,15 @@ def setup_notifications():
                                                "Would you like to take a short survey?",
                                           standardButtons=surveyDialogButtons)
 
-        def handle_response(button):
+        def handle_survey_response(button):
             if surveyDialog.buttonRole(button) == NotificationWidget.AcceptRole:
                 success = QDesktopServices.openUrl(
                     QUrl("https://orange.biolab.si/survey/short.html"))
                 settings["startup/show-short-survey"] = not success
             elif surveyDialog.buttonRole(button) == NotificationWidget.RejectRole:
                 settings["startup/show-short-survey"] = False
 
-        surveyDialog.clicked.connect(handle_response)
+        surveyDialog.clicked.connect(handle_survey_response)
 
         NotificationOverlay.registerNotification(surveyDialog)
 
@@ -221,13 +220,13 @@ def handle_response(button):
         btnOK = permDialog.button(NotificationWidget.AcceptRole)
         btnOK.setText("Allow")
 
-        def handle_response(button):
+        def handle_permission_response(button):
             if permDialog.buttonRole(button) != permDialog.DismissRole:
                 settings["error-reporting/permission-requested"] = True
             if permDialog.buttonRole(button) == permDialog.AcceptRole:
                 settings["error-reporting/send-statistics"] = True
 
-        permDialog.clicked.connect(handle_response)
+        permDialog.clicked.connect(handle_permission_response)
 
         NotificationOverlay.registerNotification(permDialog)
 
@@ -278,8 +277,6 @@ def compare_versions(latest):
                     latest == skipped:
                 return
 
-            from Orange.canvas.utils.overlay import NotificationWidget
-
             questionButtons = NotificationWidget.Ok | NotificationWidget.Close
             question = NotificationWidget(icon=QIcon('Orange/widgets/icons/Dlg_down3.png'),
                                           title='Orange Update Available',
@@ -304,6 +301,7 @@ def handle_click(b):
         thread.resultReady.connect(compare_versions)
         thread.start()
         return thread
+    return None
 
 
 def send_usage_statistics():

Orange/canvas/application/canvasmain.py

@@ -59,7 +59,7 @@ def user_documents_path():
 from ..gui.utils import message_critical, message_question, \
                         message_warning, message_information
 
-from ..utils.overlay import NotificationWidget, NotificationOverlay
+from ..utils.overlay import NotificationOverlay
 
 from ..document.usagestatistics import UsageStatistics
 

Orange/canvas/config.py

@@ -117,11 +117,14 @@ def init():
      ("quickmenu/trigger-on-any-key", bool, False,
       "Show quick menu on double click."),
 
-     ("logging/level", int, 1, "Logging level"),
+     ("logging/level", int, 1,
+      "Logging level"),
 
-     ("logging/show-on-error", bool, True, "Show log window on error"),
+     ("logging/show-on-error", bool, True,
+      "Show log window on error"),
 
-     ("logging/dockable", bool, True, "Allow log window to be docked"),
+     ("logging/dockable", bool, True,
+      "Allow log window to be docked"),
 
      ("help/open-in-external-browser", bool, False,
       "Open help in an external browser"),
@@ -141,9 +144,11 @@ def init():
      ("add-ons/pip-install-arguments", str, '',
       'Arguments to pass to "pip install" when installing add-ons.'),
 
-     ("network/http-proxy", str, '', 'HTTP proxy.'),
+     ("network/http-proxy", str, '',
+      'HTTP proxy.'),
 
-     ("network/https-proxy", str, '', 'HTTPS proxy.'),
+     ("network/https-proxy", str, '',
+      'HTTPS proxy.'),
      ]
 
 spec = [config_slot(*t) for t in spec]

Orange/canvas/utils/overlay.py

@@ -5,9 +5,9 @@
 from collections import namedtuple
 
 from AnyQt import QtGui
-from AnyQt.QtCore import Signal, Qt, QSize, QUrl
-from PyQt5.QtGui import QIcon, QPixmap, QDesktopServices, QPainter
-from PyQt5.QtWidgets import QAbstractButton, QHBoxLayout, QPushButton, QStyle, QWidget, \
+from AnyQt.QtCore import Signal, Qt, QSize
+from AnyQt.QtGui import QIcon, QPixmap, QPainter
+from AnyQt.QtWidgets import QAbstractButton, QHBoxLayout, QPushButton, QStyle, QWidget, \
     QVBoxLayout, QLabel, QSizePolicy, QStyleOption
 
 from Orange.canvas.gui.stackedwidget import StackLayout
@@ -183,6 +183,34 @@ def textFormat(self):
         """
         return self._textlabel.textFormat()
 
+    def setAcceptLabel(self, label):
+        """
+        Set the accept button label.
+        :type label: str
+        """
+        self._acceptLabel = label
+
+    def acceptLabel(self):
+        """
+        Return the accept button label.
+        :rtype str
+        """
+        return self._acceptLabel
+
+    def setRejectLabel(self, label):
+        """
+        Set the reject button label.
+        :type label: str
+        """
+        self._rejectLabel = label
+
+    def rejectLabel(self):
+        """
+        Return the reject button label.
+        :rtype str
+        """
+        return self._rejectLabel
+
     def changeEvent(self, event):
         # reimplemented
         if event.type() == 177:  # QEvent.MacSizeChange:
@@ -219,7 +247,7 @@ def addButton(self, button, *rolearg):
                                 "addButton(QAbstractButton, role)")
             role = rolearg[0]
         elif isinstance(button, NotificationMessageWidget.StandardButton):
-            if len(rolearg) != 0:
+            if rolearg:
                 raise TypeError("Wrong number of arguments for "
                                 "addButton(StandardButton)")
             stdbutton = button
@@ -294,8 +322,7 @@ def button(self, standardButton):
         for slot in self._buttons:
             if slot.stdbutton == standardButton:
                 return slot.button
-        else:
-            return None
+        return None
 
     def _button_clicked(self):
         button = self.sender()
@@ -390,12 +417,15 @@ def clone(self):
                                     textFormat=self._msgwidget.textFormat(),
                                     icon=self.icon(),
                                     standardButtons=self._msgwidget.standardButtons(),
-                                    acceptLabel=self._msgwidget._acceptLabel,
-                                    rejectLabel=self._msgwidget._rejectLabel)
+                                    acceptLabel=self._msgwidget.acceptLabel(),
+                                    rejectLabel=self._msgwidget.rejectLabel())
         cloned.accepted.connect(self.accepted)
         cloned.rejected.connect(self.rejected)
         cloned.dismissed.connect(self.dismissed)
 
+        # each canvas displays a clone of the original notification,
+        # therefore the cloned buttons' events are connected to the original's
+        # pylint: disable=protected-access
         button_map = dict(zip(
             [b.button for b in cloned._msgwidget._buttons] + [cloned._dismiss_button],
             [b.button for b in self._msgwidget._buttons] + [self._dismiss_button]))

Orange/canvas/utils/tests/test_overlay.py

@@ -1,3 +1,5 @@
+# pylint: disable=protected-access
+
 import unittest.mock
 
 from AnyQt.QtCore import Qt, QEvent
@@ -73,7 +75,7 @@ def test_queued_notifications(self):
                                           standardButtons=surveyDialogButtons)
 
         def handle_survey_response(b):
-            self.assertEquals(self.notif.buttonRole(b), NotificationWidget.DismissRole)
+            self.assertEqual(self.notif.buttonRole(b), NotificationWidget.DismissRole)
 
         self.notif.clicked.connect(handle_survey_response)
 
@@ -91,4 +93,3 @@ def handle_survey_response(b):
 
         self.assertFalse(notif1.isVisible())
         self.assertTrue(notif2.isVisible())
-