src/eric7/Preferences/ConfigurationPages/WebBrowserPage.py

branch
eric7
changeset 9221
bf71ee032bb4
parent 9209
b99e7fd55fd3
child 9350
8d2b507f8588
--- a/src/eric7/Preferences/ConfigurationPages/WebBrowserPage.py	Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/Preferences/ConfigurationPages/WebBrowserPage.py	Wed Jul 13 14:55:47 2022 +0200
@@ -20,17 +20,18 @@
     """
     Class implementing the  Web Browser configuration page.
     """
+
     def __init__(self, configDialog):
         """
         Constructor
-        
+
         @param configDialog reference to the configuration dialog
             (ConfigurationDialog)
         """
         super().__init__()
         self.setupUi(self)
         self.setObjectName("WebBrowserPage")
-        
+
         self.__configDlg = configDialog
         mw = configDialog.parent().parent()
         if hasattr(mw, "helpWindow") and mw.helpWindow is not None:
@@ -43,91 +44,98 @@
             self.__browserWindow = None
         self.setCurrentPageButton.setEnabled(self.__browserWindow is not None)
         self.imageSearchGroup.setEnabled(self.__browserWindow is not None)
-        
+
         defaultSchemes = ["file://", "http://", "https://"]
         self.defaultSchemeCombo.addItems(defaultSchemes)
-        
+
         # set initial values
         self.singleHelpWindowCheckBox.setChecked(
-            Preferences.getWebBrowser("SingleWebBrowserWindow"))
-        self.saveGeometryCheckBox.setChecked(
-            Preferences.getWebBrowser("SaveGeometry"))
+            Preferences.getWebBrowser("SingleWebBrowserWindow")
+        )
+        self.saveGeometryCheckBox.setChecked(Preferences.getWebBrowser("SaveGeometry"))
         self.webSuggestionsCheckBox.setChecked(
-            Preferences.getWebBrowser("WebSearchSuggestions"))
-        self.showTabPreviews.setChecked(
-            Preferences.getWebBrowser("ShowPreview"))
-        self.errorPageCheckBox.setChecked(
-            Preferences.getWebBrowser("ErrorPageEnabled"))
+            Preferences.getWebBrowser("WebSearchSuggestions")
+        )
+        self.showTabPreviews.setChecked(Preferences.getWebBrowser("ShowPreview"))
+        self.errorPageCheckBox.setChecked(Preferences.getWebBrowser("ErrorPageEnabled"))
         self.scrollingCheckBox.setChecked(
-            Preferences.getWebBrowser("ScrollAnimatorEnabled"))
+            Preferences.getWebBrowser("ScrollAnimatorEnabled")
+        )
         self.fullscreenCheckBox.setChecked(
-            Preferences.getWebBrowser("FullScreenSupportEnabled"))
+            Preferences.getWebBrowser("FullScreenSupportEnabled")
+        )
         self.screenCaptureCheckBox.setChecked(
-            Preferences.getWebBrowser("ScreenCaptureEnabled"))
-        self.webGLCheckBox.setChecked(
-            Preferences.getWebBrowser("WebGLEnabled"))
+            Preferences.getWebBrowser("ScreenCaptureEnabled")
+        )
+        self.webGLCheckBox.setChecked(Preferences.getWebBrowser("WebGLEnabled"))
         self.accelerated2dCanvasCheckBox.setChecked(
-            Preferences.getWebBrowser("Accelerated2dCanvasEnabled"))
+            Preferences.getWebBrowser("Accelerated2dCanvasEnabled")
+        )
         self.autoloadIconsCheckBox.setChecked(
-            Preferences.getWebBrowser("AutoLoadIconsForPage"))
+            Preferences.getWebBrowser("AutoLoadIconsForPage")
+        )
         self.autoplayMediaCheckBox.setChecked(
-            Preferences.getWebBrowser("PlaybackRequiresUserGesture"))
+            Preferences.getWebBrowser("PlaybackRequiresUserGesture")
+        )
         self.webRtcPublicOnlyCheckBox.setChecked(
-            Preferences.getWebBrowser("WebRTCPublicInterfacesOnly"))
+            Preferences.getWebBrowser("WebRTCPublicInterfacesOnly")
+        )
         self.dnsPrefetchCheckBox.setChecked(
-            Preferences.getWebBrowser("DnsPrefetchEnabled"))
-        
-        self.javaScriptGroup.setChecked(
-            Preferences.getWebBrowser("JavaScriptEnabled"))
+            Preferences.getWebBrowser("DnsPrefetchEnabled")
+        )
+
+        self.javaScriptGroup.setChecked(Preferences.getWebBrowser("JavaScriptEnabled"))
         self.jsOpenWindowsCheckBox.setChecked(
-            Preferences.getWebBrowser("JavaScriptCanOpenWindows"))
+            Preferences.getWebBrowser("JavaScriptCanOpenWindows")
+        )
         self.jsActivateWindowsCheckBox.setChecked(
-            Preferences.getWebBrowser("AllowWindowActivationFromJavaScript"))
+            Preferences.getWebBrowser("AllowWindowActivationFromJavaScript")
+        )
         self.jsClipboardCheckBox.setChecked(
-            Preferences.getWebBrowser("JavaScriptCanAccessClipboard"))
-        self.jsPasteCheckBox.setChecked(
-            Preferences.getWebBrowser("JavaScriptCanPaste"))
-        self.doNotTrackCheckBox.setChecked(
-            Preferences.getWebBrowser("DoNotTrack"))
+            Preferences.getWebBrowser("JavaScriptCanAccessClipboard")
+        )
+        self.jsPasteCheckBox.setChecked(Preferences.getWebBrowser("JavaScriptCanPaste"))
+        self.doNotTrackCheckBox.setChecked(Preferences.getWebBrowser("DoNotTrack"))
         self.refererSendComboBox.setCurrentIndex(
-            Preferences.getWebBrowser("RefererSendReferer"))
+            Preferences.getWebBrowser("RefererSendReferer")
+        )
         self.refererDefaultPolicyCcomboBox.setCurrentIndex(
-            Preferences.getWebBrowser("RefererDefaultPolicy"))
+            Preferences.getWebBrowser("RefererDefaultPolicy")
+        )
         self.refererTrimmingPolicyComboBox.setCurrentIndex(
-            Preferences.getWebBrowser("RefererTrimmingPolicy"))
-        
-        self.pluginsGroup.setChecked(
-            Preferences.getWebBrowser("PluginsEnabled"))
+            Preferences.getWebBrowser("RefererTrimmingPolicy")
+        )
+
+        self.pluginsGroup.setChecked(Preferences.getWebBrowser("PluginsEnabled"))
         try:
             # Qt 5.13
             self.pdfViewerCheckBox.setChecked(
-                Preferences.getWebBrowser("PdfViewerEnabled"))
+                Preferences.getWebBrowser("PdfViewerEnabled")
+            )
         except KeyError:
             self.pdfViewerCheckBox.setEnabled(False)
-        
-        self.diskCacheCheckBox.setChecked(
-            Preferences.getWebBrowser("DiskCacheEnabled"))
-        self.cacheSizeSpinBox.setValue(
-            Preferences.getWebBrowser("DiskCacheSize"))
-        
-        self.startupCombo.setCurrentIndex(
-            Preferences.getWebBrowser("StartupBehavior"))
-        self.newTabCombo.setCurrentIndex(
-            Preferences.getWebBrowser("NewTabBehavior"))
-        self.homePageEdit.setText(
-            Preferences.getWebBrowser("HomePage"))
+
+        self.diskCacheCheckBox.setChecked(Preferences.getWebBrowser("DiskCacheEnabled"))
+        self.cacheSizeSpinBox.setValue(Preferences.getWebBrowser("DiskCacheSize"))
+
+        self.startupCombo.setCurrentIndex(Preferences.getWebBrowser("StartupBehavior"))
+        self.newTabCombo.setCurrentIndex(Preferences.getWebBrowser("NewTabBehavior"))
+        self.homePageEdit.setText(Preferences.getWebBrowser("HomePage"))
         self.loadTabOnActivationCheckBox.setChecked(
-            Preferences.getWebBrowser("LoadTabOnActivation"))
-        
+            Preferences.getWebBrowser("LoadTabOnActivation")
+        )
+
         self.saveSessionCheckBox.setChecked(
-            Preferences.getWebBrowser("SessionAutoSave"))
+            Preferences.getWebBrowser("SessionAutoSave")
+        )
         self.sessionTimerSpinBox.setValue(
-            Preferences.getWebBrowser("SessionAutoSaveInterval"))
-        
+            Preferences.getWebBrowser("SessionAutoSaveInterval")
+        )
+
         self.defaultSchemeCombo.setCurrentIndex(
-            self.defaultSchemeCombo.findText(
-                Preferences.getWebBrowser("DefaultScheme")))
-        
+            self.defaultSchemeCombo.findText(Preferences.getWebBrowser("DefaultScheme"))
+        )
+
         historyLimit = Preferences.getWebBrowser("HistoryLimit")
         idx = 0
         if historyLimit == 1:
@@ -147,188 +155,178 @@
         else:
             idx = 5
         self.expireHistory.setCurrentIndex(idx)
-        
+
         for language in QLocale.Language:
             if language == QLocale.Language.C:
                 continue
-            
+
             countries = [
                 loc.country()
                 for loc in QLocale.matchingLocales(
-                    language, QLocale.Script.AnyScript,
-                    QLocale.Country.AnyCountry
+                    language, QLocale.Script.AnyScript, QLocale.Country.AnyCountry
                 )
             ]
             if len(countries) > 0:
-                self.languageCombo.addItem(
-                    QLocale.languageToString(language), language)
+                self.languageCombo.addItem(QLocale.languageToString(language), language)
         self.languageCombo.model().sort(0)
         self.languageCombo.insertSeparator(0)
         self.languageCombo.insertItem(
-            0, QLocale.languageToString(QLocale.Language.AnyLanguage), 0)
-        index = self.languageCombo.findData(
-            Preferences.getWebBrowser("SearchLanguage"))
+            0, QLocale.languageToString(QLocale.Language.AnyLanguage), 0
+        )
+        index = self.languageCombo.findData(Preferences.getWebBrowser("SearchLanguage"))
         if index > -1:
             self.languageCombo.setCurrentIndex(index)
-        
+
         if self.__browserWindow:
-            for engineName in (
-                self.__browserWindow.imageSearchEngine().searchEngineNames()
-            ):
+            for (
+                engineName
+            ) in self.__browserWindow.imageSearchEngine().searchEngineNames():
                 self.imageSearchComboBox.addItem(
-                    UI.PixmapCache.getIcon(
-                        "{0}".format(engineName.lower())),
-                    engineName)
+                    UI.PixmapCache.getIcon("{0}".format(engineName.lower())), engineName
+                )
             index = self.imageSearchComboBox.findText(
-                Preferences.getWebBrowser("ImageSearchEngine"))
+                Preferences.getWebBrowser("ImageSearchEngine")
+            )
             if index > -1:
                 self.imageSearchComboBox.setCurrentIndex(index)
-        
+
         self.spatialCheckBox.setChecked(
-            Preferences.getWebBrowser("SpatialNavigationEnabled"))
+            Preferences.getWebBrowser("SpatialNavigationEnabled")
+        )
         self.linksInFocusChainCheckBox.setChecked(
-            Preferences.getWebBrowser("LinksIncludedInFocusChain"))
+            Preferences.getWebBrowser("LinksIncludedInFocusChain")
+        )
         self.focusOnNavigationCheckBox.setChecked(
-            Preferences.getWebBrowser("FocusOnNavigationEnabled"))
-        
+            Preferences.getWebBrowser("FocusOnNavigationEnabled")
+        )
+
         self.xssAuditingCheckBox.setChecked(
-            Preferences.getWebBrowser("XSSAuditingEnabled"))
+            Preferences.getWebBrowser("XSSAuditingEnabled")
+        )
         self.insecureContentsCheckBox.setChecked(
-            Preferences.getWebBrowser("AllowRunningInsecureContent"))
+            Preferences.getWebBrowser("AllowRunningInsecureContent")
+        )
         self.insecureGeolocationCheckBox.setChecked(
-            Preferences.getWebBrowser("AllowGeolocationOnInsecureOrigins"))
-        
+            Preferences.getWebBrowser("AllowGeolocationOnInsecureOrigins")
+        )
+
         self.printBackgroundCheckBox.setChecked(
-            Preferences.getWebBrowser("PrintElementBackgrounds"))
-        
+            Preferences.getWebBrowser("PrintElementBackgrounds")
+        )
+
         self.autoScrollGroupBox.setChecked(
-            Preferences.getWebBrowser("AutoScrollEnabled"))
+            Preferences.getWebBrowser("AutoScrollEnabled")
+        )
         self.autoScrollDividerSpinBox.setValue(
-            Preferences.getWebBrowser("AutoScrollDivider"))
-        
+            Preferences.getWebBrowser("AutoScrollDivider")
+        )
+
         self.protocolHandlerComboBox.setCurrentIndex(
-            Preferences.getWebBrowser("AcceptProtocolHandlerRequest"))
+            Preferences.getWebBrowser("AcceptProtocolHandlerRequest")
+        )
         self.requestQuotaComboBox.setCurrentIndex(
-            Preferences.getWebBrowser("AcceptQuotaRequest"))
-    
+            Preferences.getWebBrowser("AcceptQuotaRequest")
+        )
+
     def save(self):
         """
         Public slot to save the Help Viewers configuration.
         """
         Preferences.setWebBrowser(
-            "SingleWebBrowserWindow",
-            self.singleHelpWindowCheckBox.isChecked())
-        Preferences.setWebBrowser(
-            "SaveGeometry",
-            self.saveGeometryCheckBox.isChecked())
+            "SingleWebBrowserWindow", self.singleHelpWindowCheckBox.isChecked()
+        )
+        Preferences.setWebBrowser("SaveGeometry", self.saveGeometryCheckBox.isChecked())
         Preferences.setWebBrowser(
-            "WebSearchSuggestions",
-            self.webSuggestionsCheckBox.isChecked())
+            "WebSearchSuggestions", self.webSuggestionsCheckBox.isChecked()
+        )
+        Preferences.setWebBrowser("ShowPreview", self.showTabPreviews.isChecked())
         Preferences.setWebBrowser(
-            "ShowPreview",
-            self.showTabPreviews.isChecked())
+            "ErrorPageEnabled", self.errorPageCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "ErrorPageEnabled",
-            self.errorPageCheckBox.isChecked())
-        Preferences.setWebBrowser(
-            "ScrollAnimatorEnabled",
-            self.scrollingCheckBox.isChecked())
+            "ScrollAnimatorEnabled", self.scrollingCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "FullScreenSupportEnabled",
-            self.fullscreenCheckBox.isChecked())
-        
+            "FullScreenSupportEnabled", self.fullscreenCheckBox.isChecked()
+        )
+
         Preferences.setWebBrowser(
-            "ScreenCaptureEnabled",
-            self.screenCaptureCheckBox.isChecked())
+            "ScreenCaptureEnabled", self.screenCaptureCheckBox.isChecked()
+        )
+        Preferences.setWebBrowser("WebGLEnabled", self.webGLCheckBox.isChecked())
         Preferences.setWebBrowser(
-            "WebGLEnabled",
-            self.webGLCheckBox.isChecked())
+            "Accelerated2dCanvasEnabled", self.accelerated2dCanvasCheckBox.isChecked()
+        ),
+
         Preferences.setWebBrowser(
-            "Accelerated2dCanvasEnabled",
-            self.accelerated2dCanvasCheckBox.isChecked()),
-        
+            "AutoLoadIconsForPage", self.autoloadIconsCheckBox.isChecked()
+        ),
         Preferences.setWebBrowser(
-            "AutoLoadIconsForPage",
-            self.autoloadIconsCheckBox.isChecked()),
-        Preferences.setWebBrowser(
-            "PlaybackRequiresUserGesture",
-            self.autoplayMediaCheckBox.isChecked())
+            "PlaybackRequiresUserGesture", self.autoplayMediaCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "WebRTCPublicInterfacesOnly",
-            self.webRtcPublicOnlyCheckBox.isChecked())
-        
+            "WebRTCPublicInterfacesOnly", self.webRtcPublicOnlyCheckBox.isChecked()
+        )
+
         Preferences.setWebBrowser(
-            "DnsPrefetchEnabled",
-            self.dnsPrefetchCheckBox.isChecked())
-        
+            "DnsPrefetchEnabled", self.dnsPrefetchCheckBox.isChecked()
+        )
+
+        Preferences.setWebBrowser("JavaScriptEnabled", self.javaScriptGroup.isChecked())
         Preferences.setWebBrowser(
-            "JavaScriptEnabled",
-            self.javaScriptGroup.isChecked())
-        Preferences.setWebBrowser(
-            "JavaScriptCanOpenWindows",
-            self.jsOpenWindowsCheckBox.isChecked())
+            "JavaScriptCanOpenWindows", self.jsOpenWindowsCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
             "AllowWindowActivationFromJavaScript",
-            self.jsActivateWindowsCheckBox.isChecked())
-        Preferences.setWebBrowser(
-            "JavaScriptCanAccessClipboard",
-            self.jsClipboardCheckBox.isChecked())
+            self.jsActivateWindowsCheckBox.isChecked(),
+        )
         Preferences.setWebBrowser(
-            "JavaScriptCanPaste",
-            self.jsPasteCheckBox.isChecked())
-        
+            "JavaScriptCanAccessClipboard", self.jsClipboardCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "PluginsEnabled",
-            self.pluginsGroup.isChecked())
+            "JavaScriptCanPaste", self.jsPasteCheckBox.isChecked()
+        )
+
+        Preferences.setWebBrowser("PluginsEnabled", self.pluginsGroup.isChecked())
         if self.pdfViewerCheckBox.isEnabled():
             Preferences.setWebBrowser(
-                "PdfViewerEnabled",
-                self.pdfViewerCheckBox.isChecked())
-        
-        Preferences.setWebBrowser(
-            "DoNotTrack",
-            self.doNotTrackCheckBox.isChecked())
-        Preferences.setWebBrowser(
-            "RefererSendReferer",
-            self.refererSendComboBox.currentIndex())
+                "PdfViewerEnabled", self.pdfViewerCheckBox.isChecked()
+            )
+
+        Preferences.setWebBrowser("DoNotTrack", self.doNotTrackCheckBox.isChecked())
         Preferences.setWebBrowser(
-            "RefererDefaultPolicy",
-            self.refererDefaultPolicyCcomboBox.currentIndex())
-        Preferences.setWebBrowser(
-            "RefererTrimmingPolicy",
-            self.refererTrimmingPolicyComboBox.currentIndex())
-        
+            "RefererSendReferer", self.refererSendComboBox.currentIndex()
+        )
         Preferences.setWebBrowser(
-            "DiskCacheEnabled",
-            self.diskCacheCheckBox.isChecked())
+            "RefererDefaultPolicy", self.refererDefaultPolicyCcomboBox.currentIndex()
+        )
         Preferences.setWebBrowser(
-            "DiskCacheSize",
-            self.cacheSizeSpinBox.value())
-        
+            "RefererTrimmingPolicy", self.refererTrimmingPolicyComboBox.currentIndex()
+        )
+
         Preferences.setWebBrowser(
-            "StartupBehavior",
-            self.startupCombo.currentIndex())
-        Preferences.setWebBrowser(
-            "NewTabBehavior",
-            self.newTabCombo.currentIndex())
-        Preferences.setWebBrowser(
-            "HomePage",
-            self.homePageEdit.text())
+            "DiskCacheEnabled", self.diskCacheCheckBox.isChecked()
+        )
+        Preferences.setWebBrowser("DiskCacheSize", self.cacheSizeSpinBox.value())
+
+        Preferences.setWebBrowser("StartupBehavior", self.startupCombo.currentIndex())
+        Preferences.setWebBrowser("NewTabBehavior", self.newTabCombo.currentIndex())
+        Preferences.setWebBrowser("HomePage", self.homePageEdit.text())
         Preferences.setWebBrowser(
-            "LoadTabOnActivation",
-            self.loadTabOnActivationCheckBox.isChecked())
-        
+            "LoadTabOnActivation", self.loadTabOnActivationCheckBox.isChecked()
+        )
+
         Preferences.setWebBrowser(
-            "SessionAutoSave",
-            self.saveSessionCheckBox.isChecked())
+            "SessionAutoSave", self.saveSessionCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "SessionAutoSaveInterval",
-            self.sessionTimerSpinBox.value())
-        
+            "SessionAutoSaveInterval", self.sessionTimerSpinBox.value()
+        )
+
         Preferences.setWebBrowser(
-            "DefaultScheme",
-            self.defaultSchemeCombo.currentText())
-        
+            "DefaultScheme", self.defaultSchemeCombo.currentText()
+        )
+
         idx = self.expireHistory.currentIndex()
         if idx == 0:
             historyLimit = 1
@@ -345,58 +343,60 @@
         elif idx == 6:
             historyLimit = -2
         Preferences.setWebBrowser("HistoryLimit", historyLimit)
-        
+
         languageIndex = self.languageCombo.currentIndex()
         language = (
             self.languageCombo.itemData(languageIndex)
-            if languageIndex > -1 else
+            if languageIndex > -1
+            else
             # fall back to system default
             QLocale.system().language()
         )
         Preferences.setWebBrowser("SearchLanguage", language)
-        
+
         Preferences.setWebBrowser(
-            "ImageSearchEngine",
-            self.imageSearchComboBox.currentText())
-        
+            "ImageSearchEngine", self.imageSearchComboBox.currentText()
+        )
+
         Preferences.setWebBrowser(
-            "SpatialNavigationEnabled",
-            self.spatialCheckBox.isChecked())
+            "SpatialNavigationEnabled", self.spatialCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "LinksIncludedInFocusChain",
-            self.linksInFocusChainCheckBox.isChecked())
+            "LinksIncludedInFocusChain", self.linksInFocusChainCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "FocusOnNavigationEnabled",
-            self.focusOnNavigationCheckBox.isChecked())
-        
+            "FocusOnNavigationEnabled", self.focusOnNavigationCheckBox.isChecked()
+        )
+
         Preferences.setWebBrowser(
-            "XSSAuditingEnabled",
-            self.xssAuditingCheckBox.isChecked())
+            "XSSAuditingEnabled", self.xssAuditingCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "AllowRunningInsecureContent",
-            self.insecureContentsCheckBox.isChecked())
+            "AllowRunningInsecureContent", self.insecureContentsCheckBox.isChecked()
+        )
         Preferences.setWebBrowser(
             "AllowGeolocationOnInsecureOrigins",
-            self.insecureGeolocationCheckBox.isChecked())
-        
+            self.insecureGeolocationCheckBox.isChecked(),
+        )
+
         Preferences.setWebBrowser(
-            "PrintElementBackgrounds",
-            self.printBackgroundCheckBox.isChecked())
-        
+            "PrintElementBackgrounds", self.printBackgroundCheckBox.isChecked()
+        )
+
         Preferences.setWebBrowser(
-            "AutoScrollEnabled",
-            self.autoScrollGroupBox.isChecked())
+            "AutoScrollEnabled", self.autoScrollGroupBox.isChecked()
+        )
         Preferences.setWebBrowser(
-            "AutoScrollDivider",
-            self.autoScrollDividerSpinBox.value())
-        
+            "AutoScrollDivider", self.autoScrollDividerSpinBox.value()
+        )
+
         Preferences.setWebBrowser(
-            "AcceptProtocolHandlerRequest",
-            self.protocolHandlerComboBox.currentIndex())
+            "AcceptProtocolHandlerRequest", self.protocolHandlerComboBox.currentIndex()
+        )
         Preferences.setWebBrowser(
-            "AcceptQuotaRequest",
-            self.requestQuotaComboBox.currentIndex())
-    
+            "AcceptQuotaRequest", self.requestQuotaComboBox.currentIndex()
+        )
+
     @pyqtSlot()
     def on_setCurrentPageButton_clicked(self):
         """
@@ -404,48 +404,48 @@
         """
         url = self.__browserWindow.currentBrowser().url()
         self.homePageEdit.setText(bytes(url.toEncoded()).decode())
-    
+
     @pyqtSlot()
     def on_defaultHomeButton_clicked(self):
         """
         Private slot to set the default home page.
         """
         self.homePageEdit.setText(Preferences.Prefs.helpDefaults["HomePage"])
-    
+
     @pyqtSlot()
     def on_setSpeedDialPageButton_clicked(self):
         """
         Private slot documentation goes here.
         """
         self.homePageEdit.setText("eric:speeddial")
-    
+
     @pyqtSlot(int)
     def on_startupCombo_currentIndexChanged(self, index):
         """
         Private slot to enable elements depending on the selected startup
         entry.
-        
+
         @param index index of the selected entry (integer)
         """
         # set state of the session related items
-        self.loadTabOnActivationCheckBox.setEnabled(
-            index in [3, 4])
-    
+        self.loadTabOnActivationCheckBox.setEnabled(index in [3, 4])
+
     @pyqtSlot()
     def on_refererWhitelistButton_clicked(self):
         """
         Private slot to edit the referer whitelist.
         """
         from WebBrowser.Network.SendRefererWhitelistDialog import (
-            SendRefererWhitelistDialog
+            SendRefererWhitelistDialog,
         )
+
         SendRefererWhitelistDialog(self).exec()
 
 
 def create(dlg):
     """
     Module function to create the configuration page.
-    
+
     @param dlg reference to the configuration dialog
     @return reference to the instantiated page (ConfigurationPageBase)
     """

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