Merge pull request #3775 from GNS3/release/v2.2.56

Release v2.2.56

Author: grossmj

CHANGELOG

@@ -1,5 +1,17 @@
 # Change Log
 
+## 2.2.56 21/01/2026
+
+* Fixing tab name in MobaXterm
+* PyQt6 migration
+* Add XDG Config Home support
+
+## 2.2.55 19/11/2025
+
+* Fix SyntaxWarning: invalid escape sequence. Fixes #3760
+* Support for Python 3.14
+* Clicking the "console connect to all nodes" opens all consoles in name order with case-insensitively
+
 ## 2.2.54 21/04/2025
 
 * Replace "Docker hub" by "Docker repository" because it is possible to use different repositories

README.md

@@ -17,7 +17,7 @@ Please see <https://docs.gns3.com/>
 Software dependencies
 ---------------------
 
-PyQt5 which is either part of the Linux distribution or installable from
+PyQt6 which is either part of the Linux distribution or installable from
 PyPi. The other Python dependencies are automatically installed during
 the GNS3 GUI installation and are listed
 [here](https://github.com/GNS3/gns3-gui/blob/master/requirements.txt)

gns3/application.py

@@ -27,23 +27,11 @@
 
 
 class Application(QtWidgets.QApplication):
-    file_open_signal = QtCore.pyqtSignal(str)
+    file_open_signal = QtCore.Signal(str)
 
-    def __init__(self, argv, hdpi=True):
+    def __init__(self, argv):
 
         self.setStyle(QtWidgets.QStyleFactory.create("Fusion"))
-        # both Qt and PyQt must be version >= 5.6 in order to enable high DPI scaling
-        if parse_version(QtCore.QT_VERSION_STR) >= parse_version("5.6") and parse_version(QtCore.PYQT_VERSION_STR) >= parse_version("5.6"):
-            # only available starting Qt version 5.6
-            if hdpi:
-                if sys.platform.startswith("linux"):
-                    log.warning("HDPI mode is enabled. HDPI support on Linux is not fully stable and GNS3 may crash depending of your version of Linux. To disabled HDPI mode please edit ~/.config/GNS3/gns3_gui.conf and set 'hdpi' to 'false'")
-                self.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
-                self.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps)
-            else:
-                log.info("HDPI mode is disabled")
-                self.setAttribute(QtCore.Qt.AA_DisableHighDpiScaling)
-
         super().__init__(argv)
 
         # this is tell Wayland what is the name of the desktop file (gns3.desktop)
@@ -60,7 +48,7 @@ def __init__(self, argv, hdpi=True):
         self.open_file_at_startup = None
 
     def event(self, event):
-        # When you double click file you receive an event
+        # When you double click on a file, you receive an event
         # and not the file as command line parameter
         if sys.platform.startswith("darwin"):
             if isinstance(event, QtGui.QFileOpenEvent):

gns3/compute_summary_view.py

@@ -82,7 +82,7 @@ def _refreshStatusSlot(self):
                 self._status = "stopped"
                 self.setToolTip(0, "{} is stopped or cannot be reached".format(self._compute.name()))
                 self.setIcon(0, QtGui.QIcon(':/icons/led_red.svg'))
-        self._parent.sortItems(0, QtCore.Qt.AscendingOrder)
+        self._parent.sortItems(0, QtCore.Qt.SortOrder.AscendingOrder)
 
         # add nodes belonging to this compute
         self.takeChildren()
@@ -98,7 +98,7 @@ def _refreshStatusSlot(self):
                 else:
                     item.setIcon(0, QtGui.QIcon(':/icons/led_red.svg'))
                 self.addChild(item)
-        self.sortChildren(0, QtCore.Qt.AscendingOrder)
+        self.sortChildren(0, QtCore.Qt.SortOrder.AscendingOrder)
 
 
 class ComputeSummaryView(QtWidgets.QTreeWidget):

gns3/console_view.py

@@ -22,7 +22,7 @@
 import datetime
 import platform
 
-from .qt import QtCore, QtWidgets
+from .qt import QtCore, QtGui
 from .topology import Topology
 from .version import __version__
 from .console_cmd import ConsoleCmd
@@ -117,10 +117,10 @@ def contextMenuEvent(self, event):
         """
 
         menu = self.createStandardContextMenu()
-        delete_all_action = QtWidgets.QAction("Delete All", menu)
+        delete_all_action = QtGui.QAction("Delete All", menu)
         delete_all_action.triggered.connect(self._deleteAllActionSlot)
         menu.addAction(delete_all_action)
-        menu.exec_(event.globalPos());
+        menu.exec(event.globalPos())
 
     def _deleteAllActionSlot(self):
         """

gns3/controller.py

@@ -153,13 +153,13 @@ def _versionGetSlot(self, result, error=False, **kwargs):
                 self.connection_failed_signal.emit()
                 if self._display_error:
                     self._error_dialog = QtWidgets.QMessageBox(self.parent())
-                    self._error_dialog.setWindowModality(QtCore.Qt.ApplicationModal)
+                    self._error_dialog.setWindowModality(QtCore.Qt.WindowModality.ApplicationModal)
                     self._error_dialog.setWindowTitle("Connection to server")
                     if result and "message" in result:
                         self._error_dialog.setText("Error when connecting to the GNS3 server:\n{}".format(result["message"]))
                     else:
                         self._error_dialog.setText("Cannot connect to the GNS3 server")
-                    self._error_dialog.setIcon(QtWidgets.QMessageBox.Critical)
+                    self._error_dialog.setIcon(QtWidgets.QMessageBox.Icon.Critical)
                     self._error_dialog.show()
             # Try to connect again in 5 seconds
             QtCore.QTimer.singleShot(5000, qpartial(self.get, '/version', self._versionGetSlot, showProgress=self._first_error))

gns3/crash_report.py

@@ -50,7 +50,7 @@ class CrashReport:
     Report crash to a third party service
     """
 
-    DSN = "https://62d45083e8fee6a3f5c28d4710ef2cb6@o19455.ingest.us.sentry.io/38506"
+    DSN = "https://f09d966530e45cc56fbe33adc6baeeb8@o19455.ingest.us.sentry.io/38506"
     _instance = None
 
     def __init__(self):

gns3/dialogs/appliance_wizard.py

@@ -81,7 +81,7 @@ def __init__(self, parent, path):
                 images_directories.append(emulator_images_dir)
 
         images_directories.append(os.path.dirname(self._path))
-        download_directory = QtCore.QStandardPaths.writableLocation(QtCore.QStandardPaths.DownloadLocation)
+        download_directory = QtCore.QStandardPaths.writableLocation(QtCore.QStandardPaths.StandardLocation.DownloadLocation)
         if download_directory != "" and download_directory != os.path.dirname(self._path):
             images_directories.append(download_directory)
 
@@ -96,8 +96,8 @@ def __init__(self, parent, path):
         # add a custom button to show appliance information
         if self._appliance["registry_version"] < 8:
             # FIXME: show appliance info for v8
-            self.setButtonText(QtWidgets.QWizard.CustomButton1, "&Appliance info")
-            self.setOption(QtWidgets.QWizard.HaveCustomButton1, True)
+            self.setButtonText(QtWidgets.QWizard.WizardButton.CustomButton1, "&Appliance info")
+            self.setOption(QtWidgets.QWizard.WizardOption.HaveCustomButton1, True)
             self.customButtonClicked.connect(self._showApplianceInfoSlot)
 
         # customize the server selection
@@ -141,7 +141,7 @@ def initializePage(self, page_id):
             symbol = ":/symbols/computer.svg"
         else:
             symbol = ":/symbols/{}.svg".format(self._appliance["category"])
-        self.page(page_id).setPixmap(QtWidgets.QWizard.LogoPixmap, QtGui.QPixmap(symbol))
+        self.page(page_id).setPixmap(QtWidgets.QWizard.WizardPixmap.LogoPixmap, QtGui.QPixmap(symbol))
 
         if self.page(page_id) == self.uiServerWizardPage:
 
@@ -327,10 +327,10 @@ def _showApplianceInfoSlot(self):
         msgbox = QtWidgets.QMessageBox(self)
         msgbox.setWindowTitle("Appliance information")
         msgbox.setStyleSheet("QLabel{min-width: 600px;}") # TODO: resize details box QTextEdit{min-height: 500px;}
-        msgbox.setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
+        msgbox.setSizePolicy(QtWidgets.QSizePolicy.Policy.Expanding, QtWidgets.QSizePolicy.Policy.Expanding)
         msgbox.setText(text_info)
         msgbox.setDetailedText(self._appliance["description"])
-        msgbox.exec_()
+        msgbox.exec()
 
     @qslot
     def _refreshVersions(self, *args):
@@ -377,9 +377,9 @@ def _versionRefreshedSlot(self, *args):
                     image_widget.setToolTip(2, image["path"])
 
                 # Associated data stored are col 0: version, col 1: image
-                image_widget.setData(0, QtCore.Qt.UserRole, version)
-                image_widget.setData(1, QtCore.Qt.UserRole, image)
-                image_widget.setData(2, QtCore.Qt.UserRole, self._appliance)
+                image_widget.setData(0, QtCore.Qt.ItemDataRole.UserRole, version)
+                image_widget.setData(1, QtCore.Qt.ItemDataRole.UserRole, image)
+                image_widget.setData(2, QtCore.Qt.ItemDataRole.UserRole, self._appliance)
                 top.addChild(image_widget)
 
             font = top.font(0)
@@ -393,10 +393,10 @@ def _versionRefreshedSlot(self, *args):
                 expand = False
                 top.setForeground(2, QtGui.QBrush(QtGui.QColor("green")))
 
-            top.setData(1, QtCore.Qt.DisplayRole, human_filesize(size))
-            top.setData(2, QtCore.Qt.DisplayRole, status)
-            top.setData(0, QtCore.Qt.UserRole, version)
-            top.setData(2, QtCore.Qt.UserRole, self._appliance)
+            top.setData(1, QtCore.Qt.ItemDataRole.DisplayRole, human_filesize(size))
+            top.setData(2, QtCore.Qt.ItemDataRole.DisplayRole, status)
+            top.setData(0, QtCore.Qt.ItemDataRole.UserRole, version)
+            top.setData(2, QtCore.Qt.ItemDataRole.UserRole, self._appliance)
             self.uiApplianceVersionTreeWidget.addTopLevelItem(top)
             if expand:
                 top.setExpanded(True)
@@ -459,7 +459,7 @@ def _applianceVersionCurrentItemChangedSlot(self, current, previous):
         if current is None or sip.isdeleted(current):
             return
 
-        image = current.data(1, QtCore.Qt.UserRole)
+        image = current.data(1, QtCore.Qt.ItemDataRole.UserRole)
         if image is not None:
             if "direct_download_url" in image or "download_url" in image:
                 self.uiDownloadPushButton.show()
@@ -480,7 +480,7 @@ def _downloadPushButtonClickedSlot(self, *args):
         if current is None or sip.isdeleted(current):
             return
 
-        data = current.data(1, QtCore.Qt.UserRole)
+        data = current.data(1, QtCore.Qt.ItemDataRole.UserRole)
         if data is not None:
             if "direct_download_url" in data:
                 QtGui.QDesktopServices.openUrl(QtCore.QUrl(data["direct_download_url"]))
@@ -500,16 +500,16 @@ def _createVersionPushButtonClickedSlot(self, *args):
         if current is None:
             QtWidgets.QMessageBox.critical(self.parent(), "Base version", "Please select a base version")
             return
-        base_version = current.data(0, QtCore.Qt.UserRole)
+        base_version = current.data(0, QtCore.Qt.ItemDataRole.UserRole)
 
-        new_version_name, ok = QtWidgets.QInputDialog.getText(self, "Creating a new version", "Create a new version for this appliance.\nPlease share your experience on the GNS3 community if this version works.\n\nVersion name:", QtWidgets.QLineEdit.Normal, base_version.get("name"))
+        new_version_name, ok = QtWidgets.QInputDialog.getText(self, "Creating a new version", "Create a new version for this appliance.\nPlease share your experience on the GNS3 community if this version works.\n\nVersion name:", QtWidgets.QLineEdit.EchoMode.Normal, base_version.get("name"))
         if ok:
             new_version = {"name": new_version_name}
             new_version["images"] = {}
 
             for disk_type in base_version["images"]:
                 base_filename = base_version["images"][disk_type]["filename"]
-                filename, ok = QtWidgets.QInputDialog.getText(self, "Image", "Disk image filename for {}".format(disk_type), QtWidgets.QLineEdit.Normal, base_filename)
+                filename, ok = QtWidgets.QInputDialog.getText(self, "Image", "Disk image filename for {}".format(disk_type), QtWidgets.QLineEdit.EchoMode.Normal, base_filename)
                 if not ok:
                     filename = base_filename
                 new_version["images"][disk_type] = {"filename": filename, "version": new_version_name}
@@ -534,7 +534,7 @@ def _importPushButtonClickedSlot(self, *args):
         current = self.uiApplianceVersionTreeWidget.currentItem()
         if not current:
             return
-        disk = current.data(1, QtCore.Qt.UserRole)
+        disk = current.data(1, QtCore.Qt.ItemDataRole.UserRole)
 
         path, _ = QtWidgets.QFileDialog.getOpenFileName()
         if len(path) == 0:
@@ -554,9 +554,9 @@ def _importPushButtonClickedSlot(self, *args):
                     f"actual:\t{image.filesize} bytes\n"
                     f"expected:\t{disk['filesize']} bytes\n\n"
                     "Do you want to accept it at your own risks?",
-                    QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No
+                    QtWidgets.QMessageBox.StandardButton.Yes | QtWidgets.QMessageBox.StandardButton.No
                 )
-                if reply == QtWidgets.QMessageBox.No:
+                if reply == QtWidgets.QMessageBox.StandardButton.No:
                     return
         except OSError as e:
             QtWidgets.QMessageBox.warning(self.parent(), "Add appliance", "Can't access to the image file {}: {}.".format(path, str(e)))
@@ -589,7 +589,7 @@ def _getQemuBinariesFromServerCallback(self, result, error=False, **kwargs):
                     qemu_platform = self._appliance.template_properties()["platform"]
                 else:
                     qemu_platform = self._appliance.template_properties()["arch"]
-                i = self.uiQemuListComboBox.findData(qemu_platform, flags=QtCore.Qt.MatchEndsWith)
+                i = self.uiQemuListComboBox.findData(qemu_platform, flags=QtCore.Qt.MatchFlag.MatchEndsWith)
                 if i != -1:
                     self.uiQemuListComboBox.setCurrentIndex(i)
 
@@ -615,7 +615,7 @@ def _install(self, version):
         template_manager = TemplateManager().instance()
         while len(appliance_configuration["name"]) == 0 or not template_manager.is_name_available(appliance_configuration["name"]):
             QtWidgets.QMessageBox.warning(self.parent(), "Add template", "The name \"{}\" is already used by another template".format(appliance_configuration["name"]))
-            appliance_configuration["name"], ok = QtWidgets.QInputDialog.getText(self.parent(), "Add template", "New name:", QtWidgets.QLineEdit.Normal, appliance_configuration["name"])
+            appliance_configuration["name"], ok = QtWidgets.QInputDialog.getText(self.parent(), "Add template", "New name:", QtWidgets.QLineEdit.EchoMode.Normal, appliance_configuration["name"])
             if not ok:
                 return False
             appliance_configuration["name"] = appliance_configuration["name"].strip()
@@ -635,15 +635,15 @@ def _install(self, version):
         #worker = WaitForLambdaWorker(lambda: self._create_template(appliance_configuration, self._compute_id), allowed_exceptions=[ConfigException, OSError])
         #progress_dialog = ProgressDialog(worker, "Add template", "Installing a new template...", None, busy=True, parent=self)
         #progress_dialog.show()
-        #if progress_dialog.exec_():
+        #if progress_dialog.exec():
         #    QtWidgets.QMessageBox.information(self.parent(), "Add template", "{} template has been installed!".format(appliance_configuration["name"]))
         #    return True
         #return False
 
         # worker = WaitForLambdaWorker(lambda: config.save(), allowed_exceptions=[ConfigException, OSError])
         # progress_dialog = ProgressDialog(worker, "Add appliance", "Install the appliance...", None, busy=True, parent=self)
         # progress_dialog.show()
-        # if progress_dialog.exec_():
+        # if progress_dialog.exec():
         #     QtWidgets.QMessageBox.information(self.parent(), "Add appliance", "{} installed!".format(appliance_configuration["name"]))
         #     return True
 
@@ -714,18 +714,18 @@ def validateCurrentPage(self):
             current = self.uiApplianceVersionTreeWidget.currentItem()
             if current is None or sip.isdeleted(current):
                 return False
-            version = current.data(0, QtCore.Qt.UserRole)
+            version = current.data(0, QtCore.Qt.ItemDataRole.UserRole)
             if version is None:
                 return False
-            appliance = current.data(2, QtCore.Qt.UserRole)
+            appliance = current.data(2, QtCore.Qt.ItemDataRole.UserRole)
             try:
                 self._appliance.search_images_for_version(version["name"])
             except ApplianceError as e:
                 QtWidgets.QMessageBox.critical(self, "Appliance", "Cannot install {} version {}: {}".format(appliance["name"], version["name"], e))
                 return False
             reply = QtWidgets.QMessageBox.question(self, "Appliance", "Would you like to install {} version {}?".format(appliance["name"], version["name"]),
-                                                   QtWidgets.QMessageBox.Yes, QtWidgets.QMessageBox.No)
-            if reply == QtWidgets.QMessageBox.No:
+                                                   QtWidgets.QMessageBox.StandardButton.Yes, QtWidgets.QMessageBox.StandardButton.No)
+            if reply == QtWidgets.QMessageBox.StandardButton.No:
                 return False
 
             self._uploadImages(appliance["name"], version["name"])
@@ -740,7 +740,7 @@ def validateCurrentPage(self):
                 return False
             current = self.uiApplianceVersionTreeWidget.currentItem()
             if current:
-                version = current.data(0, QtCore.Qt.UserRole)
+                version = current.data(0, QtCore.Qt.ItemDataRole.UserRole)
                 return self._install(version["name"])
             else:
                 return self._install(None)
@@ -759,8 +759,8 @@ def validateCurrentPage(self):
                 if ComputeManager.instance().localPlatform():
                     if (ComputeManager.instance().localPlatform().startswith("darwin") or ComputeManager.instance().localPlatform().startswith("win")):
                         if "qemu" in self._appliance:
-                            reply = QtWidgets.QMessageBox.question(self, "Appliance", "Qemu on Windows and macOS is not supported by the GNS3 team. Do you want to continue?", QtWidgets.QMessageBox.Yes, QtWidgets.QMessageBox.No)
-                            if reply == QtWidgets.QMessageBox.No:
+                            reply = QtWidgets.QMessageBox.question(self, "Appliance", "Qemu on Windows and macOS is not supported by the GNS3 team. Do you want to continue?", QtWidgets.QMessageBox.StandardButton.Yes, QtWidgets.QMessageBox.StandardButton.No)
+                            if reply == QtWidgets.QMessageBox.StandardButton.No:
                                 return False
                 self._compute_id = "local"
 
@@ -821,8 +821,8 @@ def _allowCustomFilesChangedSlot(self, checked):
             reply = QtWidgets.QMessageBox.question(self, "Custom files",
                 "This option allows files with different MD5 checksums. This feature is only for advanced users and can lead "
                 "to unexpected problems. Do you want to proceed?",
-                QtWidgets.QMessageBox.Yes, QtWidgets.QMessageBox.No)
+                QtWidgets.QMessageBox.StandardButton.Yes, QtWidgets.QMessageBox.StandardButton.No)
 
-            if reply == QtWidgets.QMessageBox.No:
+            if reply == QtWidgets.QMessageBox.StandardButton.No:
                 self.allowCustomFiles.setChecked(False)
                 return False