Start with causality inference

BEdit/src/bedit/gui/controllers/commands.py

@@ -311,24 +311,21 @@ class DeleteSelectionCommand(QUndoCommand):
         owner_id: str | None,
         blocks: dict[str, Component],
         connections: dict[str, Connection],
-        inputs: list[Port],
-        outputs: list[Port],
+        ports: list[Port],
     ) -> None:
         super().__init__("Delete selection")
         self.controller = controller
         self.owner_id = owner_id
         self.blocks = blocks
         self.connections = connections
-        self.inputs = inputs
-        self.outputs = outputs
+        self.ports = ports
 
     def redo(self) -> None:
         self.controller._delete_items(
             self.owner_id,
             set(self.blocks),
             set(self.connections),
-            {port.id for port in self.inputs},
-            {port.id for port in self.outputs},
+            {port.id for port in self.ports},
         )
 
     def undo(self) -> None:
@@ -336,8 +333,7 @@ class DeleteSelectionCommand(QUndoCommand):
             self.owner_id,
             self.blocks,
             self.connections,
-            self.inputs,
-            self.outputs,
+            self.ports,
         )
 
 
@@ -361,7 +357,6 @@ class PasteSelectionCommand(QUndoCommand):
             self.blocks,
             self.connections,
             [],
-            [],
         )
 
     def undo(self) -> None:
@@ -370,7 +365,6 @@ class PasteSelectionCommand(QUndoCommand):
             set(self.blocks),
             set(self.connections),
             set(),
-            set(),
         )