Fixed 2 bugs regarding torrent ownership change.

On the core, the code was not adapted to the new AuthManager. On The GtkUI, nothing was being shown to the user when errors occurred while changing ownership.

deluge/core/core.py

@@ -603,7 +603,7 @@ class Core(component.Component):
 
         :raises DelugeError: if the username is not known
         """
-        if username not in self.authmanager.get_known_accounts():
+        if not self.authmanager.has_account(username):
             raise DelugeError("Username \"%s\" is not known." % username)
         if isinstance(torrent_ids, basestring):
             torrent_ids = [torrent_ids]

deluge/ui/gtkui/menubar.py

@@ -47,6 +47,7 @@ import deluge.component as component
 from deluge.ui.client import client
 import deluge.common
 import common
+import dialogs
 from deluge.configmanager import ConfigManager
 
 log = logging.getLogger(__name__)
@@ -554,7 +555,16 @@ class MenuBar(component.Component):
             torrent_status = component.get("TorrentView").get_torrent_status(torrent_id)
             if torrent_status["owner"] != username:
                 update_torrents.append(torrent_id)
+
         if update_torrents:
             log.debug("Setting torrent owner \"%s\" on %s", username, update_torrents)
-            client.core.set_torrents_owner(update_torrents, username)
+
+            def failed_change_owner(failure):
+                dialogs.ErrorDialog(
+                    _("Ownership Change Error"),
+                    _("There was an error while trying changing ownership."),
+                    self.window.window, details=failure.value.logable()
+                ).run()
+            client.core.set_torrents_owner(
+                update_torrents, username).addErrback(failed_change_owner)