use string instead of custom type for signal parameter

openpype/tools/publisher/widgets/card_view_widgets.py

@@ -43,24 +43,14 @@ from ..constants import (
 )
 
 
-class SelectionType:
-    def __init__(self, name):
-        self.name = name
-
-    def __eq__(self, other):
-        if isinstance(other, SelectionType):
-            other = other.name
-        return self.name == other
-
-
 class SelectionTypes:
-    clear = SelectionType("clear")
-    extend = SelectionType("extend")
-    extend_to = SelectionType("extend_to")
+    clear = "clear"
+    extend = "extend"
+    extend_to = "extend_to"
 
 
 class BaseGroupWidget(QtWidgets.QWidget):
-    selected = QtCore.Signal(str, str, SelectionType)
+    selected = QtCore.Signal(str, str, str)
     removed_selected = QtCore.Signal()
 
     def __init__(self, group_name, parent):
@@ -269,7 +259,7 @@ class InstanceGroupWidget(BaseGroupWidget):
 class CardWidget(BaseClickableFrame):
     """Clickable card used as bigger button."""
 
-    selected = QtCore.Signal(str, str, SelectionType)
+    selected = QtCore.Signal(str, str, str)
     # Group identifier of card
     # - this must be set because if send when mouse is released with card id
     _group_identifier = None
@@ -755,11 +745,11 @@ class InstanceCardView(AbstractInstanceView):
                 group_widget = self._widgets_by_group[group_name]
             new_widget = group_widget.get_widget_by_item_id(instance_id)
 
-        if selection_type is SelectionTypes.clear:
+        if selection_type == SelectionTypes.clear:
             self._select_item_clear(instance_id, group_name, new_widget)
-        elif selection_type is SelectionTypes.extend:
+        elif selection_type == SelectionTypes.extend:
             self._select_item_extend(instance_id, group_name, new_widget)
-        elif selection_type is SelectionTypes.extend_to:
+        elif selection_type == SelectionTypes.extend_to:
             self._select_item_extend_to(instance_id, group_name, new_widget)
 
         self.selection_changed.emit()