Unregister TraktListsPlugin if no lists to update

plextraktsync/sync/TraktListsPlugin.py

@@ -7,7 +7,8 @@
 from plextraktsync.plugin import hookimpl
 
 if TYPE_CHECKING:
-    from .plugin.SyncPluginInterface import Media, TraktUserListCollection
+    from .plugin.SyncPluginInterface import (Media, SyncPluginManager,
+                                             TraktUserListCollection)
 
 
 class TraktListsPlugin:
@@ -22,18 +23,21 @@ def __init__(self):
 
     @staticmethod
     def enabled(config):
-        # Use True for now, would need to keep in sync with other plugins
+        # Check for need is performed in init()
         return True
 
     @classmethod
     def factory(cls, sync):
         return cls()
 
     @hookimpl(trylast=True)
-    def init(self, trakt_lists: TraktUserListCollection):
+    def init(self, pm: SyncPluginManager, trakt_lists: TraktUserListCollection):
         self.trakt_lists = trakt_lists
-        # Skip updating lists if it's empty
         self.add_to_lists = not trakt_lists.is_empty
+        # Skip updating lists if it's empty
+        if trakt_lists.is_empty:
+            self.logger.warning("Disabling TraktListsPlugin: No lists to process")
+            pm.unregister(self)
 
     @hookimpl
     def fini(self, dry_run: bool):