[Core] Add TorrentTrackerStatusEvent

deluge/core/torrent.py

@@ -29,7 +29,7 @@ from deluge._libtorrent import lt
 from deluge.common import decode_string, utf8_encoded
 from deluge.configmanager import ConfigManager, get_config_dir
 from deluge.core.authmanager import AUTH_LEVEL_ADMIN
-from deluge.event import TorrentFolderRenamedEvent, TorrentStateChangedEvent
+from deluge.event import TorrentFolderRenamedEvent, TorrentStateChangedEvent, TorrentTrackerStatusEvent
 
 log = logging.getLogger(__name__)
 
@@ -602,10 +602,16 @@ class Torrent(object):
         Args:
             status (str): The tracker status.
 
+        Emits:
+            TorrentTrackerStatusEvent upon tracker status change.
+
         """
 
         self.tracker_host = None
+
+        if self.tracker_status != status:
             self.tracker_status = status
+            component.get("EventManager").emit(TorrentTrackerStatusEvent(self.torrent_id, self.tracker_status))
 
     def merge_trackers(self, torrent_info):
         """Merges new trackers in torrent_info into torrent"""

deluge/event.py

@@ -104,6 +104,19 @@ class TorrentStateChangedEvent(DelugeEvent):
         self._args = [torrent_id, state]
 
 
+class TorrentTrackerStatusEvent(DelugeEvent):
+    """
+    Emitted when a torrents tracker status changes.
+    """
+    def __init__(self, torrent_id, status):
+        """
+        Args:
+            torrent_id (str): the torrent_id
+            status (str): the new status
+        """
+        self._args = [torrent_id, status]
+
+
 class TorrentQueueChangedEvent(DelugeEvent):
     """
     Emitted when the queue order has changed.