[Core] Return all plugin status keys with empty list

deluge/core/core.py

@@ -434,9 +434,9 @@ class Core(component.Component):
             # Torrent was probaly removed meanwhile
             return {}
 
-        # Get the leftover fields and ask the plugin manager to fill them
+        # Get any remaining keys from plugin manager or 'all' if no keys specified.
         leftover_fields = list(set(keys) - set(status.keys()))
-        if len(leftover_fields) > 0:
+        if len(leftover_fields) > 0 or len(keys) == 0:
             status.update(self.pluginmanager.get_status(torrent_id, leftover_fields))
         return status
 

deluge/core/pluginmanager.py

@@ -92,6 +92,8 @@ class PluginManager(deluge.pluginmanagerbase.PluginManagerBase,
     def get_status(self, torrent_id, fields):
         """Return the value of status fields for the selected torrent_id."""
         status = {}
+        if len(fields) == 0:
+            fields = self.status_fields.keys()
         for field in fields:
             try:
                 status[field] = self.status_fields[field](torrent_id)