CURA-4870 Add call to the QObject constructor

cura/PrinterOutput/ConfigurationModel.py

@@ -9,6 +9,7 @@ class ConfigurationModel(QObject):
     configurationChanged = pyqtSignal()
 
     def __init__(self):
+        super().__init__()
         self._printer_type = None
         self._extruder_configurations = []
         self._buildplate_configuration = None

cura/PrinterOutputDevice.py

@@ -3,7 +3,7 @@
 
 from UM.i18n import i18nCatalog
 from UM.OutputDevice.OutputDevice import OutputDevice
-from PyQt5.QtCore import pyqtProperty, QObject, QTimer, pyqtSignal
+from PyQt5.QtCore import pyqtProperty, QObject, QTimer, pyqtSignal, QVariant
 from PyQt5.QtWidgets import QMessageBox
 
 from UM.Logger import Logger
@@ -11,7 +11,7 @@ from UM.Signal import signalemitter
 from UM.Application import Application
 
 from enum import IntEnum  # For the connection state tracking.
-from typing import List, Set, Optional
+from typing import List, Optional
 
 MYPY = False
 if MYPY:
@@ -51,7 +51,7 @@ class PrinterOutputDevice(QObject, OutputDevice):
         super().__init__(device_id = device_id, parent = parent)
 
         self._printers = []  # type: List[PrinterOutputModel]
-        self._unique_configurations = {}   # type: Set[ConfigurationModel]
+        self._unique_configurations = []   # type: List[ConfigurationModel]
 
         self._monitor_view_qml_path = ""
         self._monitor_component = None
@@ -180,13 +180,13 @@ class PrinterOutputDevice(QObject, OutputDevice):
 
             self.acceptsCommandsChanged.emit()
 
-    # Returns the unique configurations of the current printers
-    @pyqtProperty("QVariantMap", notify = uniqueConfigurationsChanged)
+    # Returns the unique configurations of the printers within this output device
+    @pyqtProperty("QVariantList", notify = uniqueConfigurationsChanged)
     def uniqueConfigurations(self):
         return self._unique_configurations
 
     def _updateUniqueConfigurations(self):
-        self._unique_configurations = set([printer.printerConfiguration for printer in self._printers])
+        self._unique_configurations = list(set([printer.printerConfiguration for printer in self._printers]))
         self.uniqueConfigurationsChanged.emit()
 
     def _onPrintersChanged(self):