- made sure that if the OR-TOOLS package is not installed then the options in the Preferences for the related optimizations are disabled

appGUI/GUIElements.py

@@ -123,14 +123,14 @@ class RadioSetDefaults(RadioSet):
         * 'label': Shown in the UI
         * 'value': The value returned is selected
 
-        :param choices: List of choices. See description.
-        :param orientation: 'horizontal' (default) of 'vertical'.
-        :param parent: Qt parent widget.
-        :type choices:      list
+        :param choices:         List of choices. See description.
+        :param orientation:     'horizontal' (default) of 'vertical'.
+        :param parent:          Qt parent widget.
+        :type choices:          list
         :param dictionary:
-        :type dictionary:   "dict"
+        :type dictionary:       "dict"
         :param key_spec:
-        :type key_spec:      'str'
+        :type key_spec:         'str'
         """
 
         super(RadioSetDefaults, self).__init__(choices=choices, orientation=orientation, compact=compact, parent=parent)

appGUI/preferences/excellon/ExcellonGenPrefGroupUI.py

@@ -346,6 +346,13 @@ class ExcellonGenPrefGroupUI(OptionsGroupUI):
             self.optimization_time_label.setDisabled(True)
             self.optimization_time_entry.setDisabled(True)
 
+        try:
+            import ortools
+        except ModuleNotFoundError:
+            self.excellon_optimization_radio.setOptionsDisabled([_('MetaHeuristic'), _('Basic')], True)
+            self.optimization_time_label.setDisabled(True)
+            self.optimization_time_entry.setDisabled(True)
+
         # Setting plot colors signals
         self.line_color_entry.editingFinished.connect(self.on_line_color_entry)
         self.fill_color_entry.editingFinished.connect(self.on_fill_color_entry)

appGUI/preferences/geometry/GeometryGenPrefGroupUI.py

@@ -171,6 +171,13 @@ class GeometryGenPrefGroupUI(OptionsGroupUI):
             self.optimization_time_label.setDisabled(True)
             self.optimization_time_entry.setDisabled(True)
 
+        try:
+            import ortools
+        except ModuleNotFoundError:
+            self.opt_algorithm_radio.setOptionsDisabled([_('MetaHeuristic'), _('Basic')], True)
+            self.optimization_time_label.setDisabled(True)
+            self.optimization_time_entry.setDisabled(True)
+
         self.opt_algorithm_radio.activated_custom.connect(self.optimization_selection)
 
         # Setting plot colors signals