Improve get_torrent_status() speed by only building the files dictionary

when the Torrent object is created.

deluge/core/torrent.py

@@ -70,6 +70,9 @@ class Torrent:
         self.status = None
         self.torrent_info = None
                 
+        # Files dictionary
+        self.files = self.get_files()
+        
     def set_tracker_status(self, status):
         """Sets the tracker status"""
         self.tracker_status = status
@@ -185,7 +188,7 @@ class Torrent:
             "trackers": self.trackers,
             "tracker_status": self.tracker_status,
             "save_path": self.save_path,
-            "files": self.get_files()
+            "files": self.files
         }
         self.status = None
         self.torrent_info = None