Ensure used_in_edit is always set on new shots.

attract/shots/eve_hooks.py

@@ -79,6 +79,17 @@ def activity_after_creating_shots(nodes):
         activity_after_creating_shot(node)
 
 
+@only_for_shot
+def set_default_used_in_edit(shot):
+    """Ensures that used_in_edit is always set."""
+    shot.setdefault('properties', {}).setdefault('used_in_edit', True)
+
+
+def nodes_set_default_used_in_edit(nodes):
+    for node in nodes:
+        set_default_used_in_edit(node)
+
+
 @only_for_shot
 def activity_after_deleting_shot(shot):
     register_shot_activity(shot, 'deleted shot "%s"' % shot['name'])
@@ -86,6 +97,7 @@ def activity_after_deleting_shot(shot):
 
 def setup_app(app):
     app.on_replaced_nodes += activity_after_replacing_shot
+    app.on_insert_nodes += nodes_set_default_used_in_edit
     app.on_inserted_nodes += activity_after_creating_shots
     app.on_deleted_item_nodes += activity_after_deleting_shot
     app.on_deleted_resource_nodes += activity_after_deleting_shot