Implemented passing a copy of an event instead of it's arguments to event handlers. Necessary changes to the event handlers on deluge's code were made, plugins still need to be ported to this new style.

ChangeLog

@@ -1,4 +1,5 @@
 === Deluge 1.3.0 (In Development) ===
+
 ==== Core ====
 	* Implement #1063 option to delete torrent file copy on torrent removal - patch from Ghent
 	* Implement #457 progress bars for folders
@@ -8,6 +9,7 @@
 	* #1247: Fix deluge-gtk from hanging on shutdown
 	* #995: Rewrote tracker_icons
 	* Make the distinction between adding to the session new unmanaged torrents and torrents loaded from state. This will break backwards compatability.
+	* Pass a copy of an event instead of passing the event arguments to the event handlers. This will break backwards compatability.
 
 ==== GtkUI ====
 	* Fix uncaught exception when closing deluge in classic mode

deluge/core/eventmanager.py

@@ -53,7 +53,7 @@ class EventManager(component.Component):
         if event.name in self.handlers:
             for handler in self.handlers[event.name]:
                 #log.debug("Running handler %s for event %s with args: %s", event.name, handler, event.args)
-                handler(*event.args)
+                handler(event.copy())
 
     def register_event_handler(self, event, handler):
         """

deluge/core/rpcserver.py

@@ -485,7 +485,8 @@ class RPCServer(component.Component):
         # Find sessions interested in this event
         for session_id, interest in self.factory.interested_events.iteritems():
             if event.name in interest:
-                log.debug("Emit Event: %s %s", event.name, event.args)
+                log.debug("Emit Event: %s %s", event.name, zip(event.__slots__,
+                                                               event.args))
                 # This session is interested so send a RPC_EVENT
                 self.factory.session_protocols[session_id].sendData(
                     (RPC_EVENT, event.name, event.args)

deluge/event.py

@@ -2,6 +2,7 @@
 # event.py
 #
 # Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
+# Copyright (C) 2010 Pedro Algarvio <pedro@algarvio.me>
 #
 # Deluge is free software.
 #
@@ -47,6 +48,8 @@ class DelugeEventMetaClass(type):
     """
     This metaclass simply keeps a list of all events classes created.
     """
+    __slots__ = ()
+
     def __init__(cls, name, bases, dct):
         super(DelugeEventMetaClass, cls).__init__(name, bases, dct)
         if name != "DelugeEvent":
@@ -62,23 +65,26 @@ class DelugeEvent(object):
     :type args: list
 
     """
+    __slots__     = ()
     __metaclass__ = DelugeEventMetaClass
 
     def _get_name(self):
         return self.__class__.__name__
+    name = property(fget=_get_name)
 
     def _get_args(self):
-        if not hasattr(self, "_args"):
-            return []
-        return self._args
-
-    name = property(fget=_get_name)
+        return [getattr(self, arg) for arg in self.__slots__]
     args = property(fget=_get_args)
 
+    def copy(self):
+        return self.__class__(*self.args)
+
 class TorrentAddedEvent(DelugeEvent):
     """
     Emitted when a new torrent is successfully added to the session.
     """
+    __slots__ = ('torrent_id', 'from_state')
+
     def __init__(self, torrent_id, from_state):
         """
         :param torrent_id: the torrent_id of the torrent that was added
@@ -86,34 +92,41 @@ class TorrentAddedEvent(DelugeEvent):
         :param from_state: was the torrent loaded from state? Or is it a new torrent.
         :type from_state: bool
         """
-        self._args = [torrent_id, from_state]
+        self.torrent_id = torrent_id
+        self.from_state = from_state
 
 class TorrentRemovedEvent(DelugeEvent):
     """
     Emitted when a torrent has been removed from the session.
     """
+    __slots__ = ('torrent_id',)
+
     def __init__(self, torrent_id):
         """
         :param torrent_id: the torrent_id
         :type torrent_id: string
         """
-        self._args = [torrent_id]
+        self.torrent_id = torrent_id
 
 class PreTorrentRemovedEvent(DelugeEvent):
     """
     Emitted when a torrent is about to be removed from the session.
     """
+    __slots__ = ('torrent_id',)
+
     def __init__(self, torrent_id):
         """
         :param torrent_id: the torrent_id
         :type torrent_id: string
         """
-        self._args = [torrent_id]
+        self.torrent_id = torrent_id
 
 class TorrentStateChangedEvent(DelugeEvent):
     """
     Emitted when a torrent changes state.
     """
+    __slots__ = ('torrent_id', 'state')
+
     def __init__(self, torrent_id, state):
         """
         :param torrent_id: the torrent_id
@@ -121,18 +134,20 @@ class TorrentStateChangedEvent(DelugeEvent):
         :param state: the new state
         :type state: string
         """
-        self._args = [torrent_id, state]
+        self.torrent_id = torrent_id
+        self.state = state
 
 class TorrentQueueChangedEvent(DelugeEvent):
     """
     Emitted when the queue order has changed.
     """
-    pass
 
 class TorrentFolderRenamedEvent(DelugeEvent):
     """
     Emitted when a folder within a torrent has been renamed.
     """
+    __slots__ = ('torrent_id', 'old', 'new')
+
     def __init__(self, torrent_id, old, new):
         """
         :param torrent_id: the torrent_id
@@ -142,44 +157,54 @@ class TorrentFolderRenamedEvent(DelugeEvent):
         :param new: the new folder name
         :type new: string
         """
-        self._args = [torrent_id, old, new]
+        self.torrent_id = torrent_id
+        self.old = old
+        self.new = new
 
 class TorrentFileRenamedEvent(DelugeEvent):
     """
     Emitted when a file within a torrent has been renamed.
     """
-    def __init__(self, torrent_id, index, name):
+    __slots__ = ('torrent_id', 'index', 'filename')
+
+    def __init__(self, torrent_id, index, filename):
         """
         :param torrent_id: the torrent_id
         :type torrent_id: string
         :param index: the index of the file
         :type index: int
-        :param name: the new filename
-        :type name: string
+        :param filename: the new filename
+        :type filename: string
         """
-        self._args = [torrent_id, index, name]
+        self.torrent_id = torrent_id
+        self.index = index
+        self.filename = filename
 
 class TorrentFinishedEvent(DelugeEvent):
     """
     Emitted when a torrent finishes downloading.
     """
+    __slots__ = ('torrent_id',)
+
     def __init__(self, torrent_id):
         """
         :param torrent_id: the torrent_id
         :type torrent_id: string
         """
-        self._args = [torrent_id]
+        self.torrent_id = torrent_id
 
 class TorrentResumedEvent(DelugeEvent):
     """
     Emitted when a torrent resumes from a paused state.
     """
+    __slots__ = ('torrent_id',)
+
     def __init__(self, torrent_id):
         """
         :param torrent_id: the torrent_id
         :type torrent_id: string
         """
-        self._args = [torrent_id]
+        self.torrent_id = torrent_id
 
 class TorrentFileCompletedEvent(DelugeEvent):
     """
@@ -188,6 +213,8 @@ class TorrentFileCompletedEvent(DelugeEvent):
     This will only work with libtorrent 0.15 or greater.
 
     """
+    __slots__ = ('torrent_id', 'index')
+
     def __init__(self, torrent_id, index):
         """
         :param torrent_id: the torrent_id
@@ -195,68 +222,75 @@ class TorrentFileCompletedEvent(DelugeEvent):
         :param index: the file index
         :type index: int
         """
-        self._args = [torrent_id, index]
+        self.torrent_id = torrent_id
+        self.index = index
 
 class NewVersionAvailableEvent(DelugeEvent):
     """
     Emitted when a more recent version of Deluge is available.
     """
+    __slots__ = ('new_release',)
+
     def __init__(self, new_release):
         """
         :param new_release: the new version that is available
         :type new_release: string
         """
-        self._args = [new_release]
+        self.new_release = new_release
 
 class SessionStartedEvent(DelugeEvent):
     """
     Emitted when a session has started.  This typically only happens once when
     the daemon is initially started.
     """
-    pass
 
 class SessionPausedEvent(DelugeEvent):
     """
     Emitted when the session has been paused.
     """
-    pass
 
 class SessionResumedEvent(DelugeEvent):
     """
     Emitted when the session has been resumed.
     """
-    pass
 
 class ConfigValueChangedEvent(DelugeEvent):
     """
     Emitted when a config value changes in the Core.
     """
+    __slots__ = ('key', 'value')
+
     def __init__(self, key, value):
         """
         :param key: the key that changed
         :type key: string
         :param value: the new value of the `:param:key`
         """
-        self._args = [key, value]
+        self.key = key
+        self.value = value
 
 class PluginEnabledEvent(DelugeEvent):
     """
     Emitted when a plugin is enabled in the Core.
     """
+    __slots__ = ('name',)
+
     def __init__(self, name):
         """
         :param name: the plugin name
         :type name: string
         """
-        self._args = [name]
+        self.name = name
 
 class PluginDisabledEvent(DelugeEvent):
     """
     Emitted when a plugin is disabled in the Core.
     """
+    __slots__ = ('name',)
+
     def __init__(self, name):
         """
         :param name: the plugin name
         :type name: string
         """
-        self._args = [name]
+        self.name = name

deluge/ui/client.py

@@ -45,6 +45,7 @@ import zlib
 import deluge.common
 import deluge.component as component
 from deluge.log import LOG as log
+from deluge.event import known_events
 
 if deluge.common.windows_check():
     import win32api
@@ -163,13 +164,14 @@ class DelugeRPCProtocol(Protocol):
             message_type = request[0]
 
             if message_type == RPC_EVENT:
-                event = request[1]
+                event_name = request[1]
                 #log.debug("Received RPCEvent: %s", event)
                 # A RPCEvent was received from the daemon so run any handlers
                 # associated with it.
-                if event in self.factory.event_handlers:
-                    for handler in self.factory.event_handlers[event]:
-                        reactor.callLater(0, handler, *request[2])
+                if event_name in self.factory.event_handlers:
+                    event = known_events[event_name](*request[2])
+                    for handler in self.factory.event_handlers[event_name]:
+                        reactor.callLater(0, handler, event.copy())
                 continue
 
             request_id = request[1]

deluge/ui/console/eventlog.py

@@ -61,53 +61,53 @@ class EventLog(component.Component):
         client.register_event_handler("PluginEnabledEvent", self.on_plugin_enabled_event)
         client.register_event_handler("PluginDisabledEvent", self.on_plugin_disabled_event)
 
-    def on_torrent_added_event(self, torrent_id, from_state):
+    def on_torrent_added_event(self, event):
         def on_torrent_status(status):
             self.console.write(self.prefix + "TorrentAdded(from_state=%s): {!info!}%s (%s)" % (
-                from_state, status["name"], torrent_id)
+                event.from_state, status["name"], event.torrent_id)
             )
-        client.core.get_torrent_status(torrent_id, ["name"]).addCallback(on_torrent_status)
+        client.core.get_torrent_status(event.torrent_id, ["name"]).addCallback(on_torrent_status)
 
-    def on_torrent_removed_event(self, torrent_id):
+    def on_torrent_removed_event(self, event):
         self.console.write(self.prefix + "TorrentRemoved: {!info!}%s (%s)" %
-            (self.console.get_torrent_name(torrent_id), torrent_id))
+            (self.console.get_torrent_name(event.torrent_id), event.torrent_id))
 
-    def on_torrent_state_changed_event(self, torrent_id, state):
+    def on_torrent_state_changed_event(self, event):
         # Modify the state string color
-        if state in colors.state_color:
-            state = colors.state_color[state] + state
+        if event.state in colors.state_color:
+            state = colors.state_color[event.state] + event.state
 
         self.console.write(self.prefix + "TorrentStateChanged: %s {!info!}%s (%s)" %
-            (state, self.console.get_torrent_name(torrent_id), torrent_id))
+            (state, self.console.get_torrent_name(event.torrent_id), event.torrent_id))
 
-    def on_torrent_paused_event(self, torrent_id):
+    def on_torrent_paused_event(self, event):
         self.console.write(self.prefix + "TorrentPaused: {!info!}%s (%s)" %
-            (self.console.get_torrent_name(torrent_id), torrent_id))
+            (self.console.get_torrent_name(event.torrent_id), event.torrent_id))
 
-    def on_torrent_finished_event(self, torrent_id):
+    def on_torrent_finished_event(self, event):
         self.console.write(self.prefix + "TorrentFinished: {!info!}%s (%s)" %
-            (self.console.get_torrent_name(torrent_id), torrent_id))
+            (self.console.get_torrent_name(event.torrent_id), event.torrent_id))
 
-    def on_new_version_available_event(self, version):
+    def on_new_version_available_event(self, event):
         self.console.write(self.prefix + "NewVersionAvailable: {!info!}%s" %
-            (version))
+            (event.new_release))
 
-    def on_session_paused_event(self):
+    def on_session_paused_event(self, event):
         self.console.write(self.prefix + "SessionPaused")
 
-    def on_session_resumed_event(self):
+    def on_session_resumed_event(self, event):
         self.console.write(self.prefix + "SessionResumed")
 
-    def on_config_value_changed_event(self, key, value):
+    def on_config_value_changed_event(self, event):
         color = "{!white,black,bold!}"
-        if type(value) in colors.type_color:
-            color = colors.type_color[type(value)]
+        if type(event.value) in colors.type_color:
+            color = colors.type_color[type(event.value)]
 
         self.console.write(self.prefix + "ConfigValueChanged: {!input!}%s: %s%s" %
-            (key, color, value))
+            (event.key, color, event.value))
 
-    def on_plugin_enabled_event(self, name):
-        self.console.write(self.prefix + "PluginEnabled: {!info!}%s" % name)
+    def on_plugin_enabled_event(self, event):
+        self.console.write(self.prefix + "PluginEnabled: {!info!}%s" % event.name)
 
-    def on_plugin_disabled_event(self, name):
-        self.console.write(self.prefix + "PluginDisabled: {!info!}%s" % name)
+    def on_plugin_disabled_event(self, event):
+        self.console.write(self.prefix + "PluginDisabled: {!info!}%s" % event.name)

deluge/ui/console/main.py

@@ -439,14 +439,14 @@ class ConsoleUI(component.Component):
 
         return ret
 
-    def on_torrent_added_event(self, torrent_id, from_state):
+    def on_torrent_added_event(self, event):
         def on_torrent_status(status):
-            self.torrents.append((torrent_id, status["name"]))
-        client.core.get_torrent_status(torrent_id, ["name"]).addCallback(on_torrent_status)
+            self.torrents.append((event.torrent_id, status["name"]))
+        client.core.get_torrent_status(event.torrent_id, ["name"]).addCallback(on_torrent_status)
 
-    def on_torrent_removed_event(self, torrent_id):
+    def on_torrent_removed_event(self, event):
         for index, (tid, name) in enumerate(self.torrents):
-            if torrent_id == tid:
+            if event.torrent_id == tid:
                 del self.torrents[index]
 
     def on_client_disconnect(self):

deluge/ui/coreconfig.py

@@ -43,8 +43,8 @@ class CoreConfig(component.Component):
         log.debug("CoreConfig init..")
         component.Component.__init__(self, "CoreConfig")
         self.config = {}
-        def on_configvaluechanged_event(key, value):
-            self.config[key] = value
+        def on_configvaluechanged_event(event):
+            self.config[event.key] = event.value
         client.register_event_handler("ConfigValueChangedEvent", on_configvaluechanged_event)
 
     def start(self):

deluge/ui/gtkui/files_tab.py

@@ -602,34 +602,34 @@ class FilesTab(Tab):
     def _on_filename_editing_canceled(self, renderer):
         self._editing_index = None
 
-    def _on_torrentfilerenamed_event(self, torrent_id, index, name):
-        log.debug("index: %s name: %s", index, name)
+    def _on_torrentfilerenamed_event(self, event):
+        log.debug("index: %s name: %s", event.index, event.filename)
 
-        if torrent_id not in self.files_list:
+        if event.torrent_id not in self.files_list:
             return
 
-        old_name = self.files_list[torrent_id][index]["path"]
-        self.files_list[torrent_id][index]["path"] = name
+        old_name = self.files_list[event.torrent_id][event.index]["path"]
+        self.files_list[event.torrent_id][event.index]["path"] = event.filename
 
         # We need to update the filename displayed if we're currently viewing
         # this torrents files.
-        if torrent_id == self.torrent_id:
+        if event.torrent_id == self.torrent_id:
             old_name_len = len(old_name.split("/"))
-            name_len = len(name.split("/"))
+            name_len = len(event.filename.split("/"))
             if old_name_len != name_len:
                 # The parent path list changes depending on which way the file
                 # is moving in the tree
                 if old_name_len < name_len:
                     parent_path = [o for o in old_name.split("/")[:-1]]
                 else:
-                    parent_path = [o for o in name.split("/")[:-1]]
+                    parent_path = [o for o in event.filename.split("/")[:-1]]
                 # Find the iter to the parent folder we need to add a new folder
                 # to.
                 def find_parent(model, path, itr, user_data):
                     if model[itr][0] == parent_path[0] + "/":
                         if len(parent_path) == 1:
                             # This is the parent iter
-                            to_create = name.split("/")[len(old_name.split("/")[:-1]):-1]
+                            to_create = event.filename.split("/")[len(old_name.split("/")[:-1]):-1]
                             parent_iter = itr
 
                             for tc in to_create:
@@ -648,8 +648,8 @@ class FilesTab(Tab):
 
                             # Find the iter for the file that needs to be moved
                             def get_file_iter(model, path, itr, user_data):
-                                if model[itr][5] == index:
-                                    model[itr][0] = name.split("/")[-1]
+                                if model[itr][5] == event.index:
+                                    model[itr][0] = event.filename.split("/")[-1]
                                     t = self.treestore.append(
                                         parent_iter,
                                         self.treestore.get(itr,
@@ -668,7 +668,7 @@ class FilesTab(Tab):
                 if parent_path:
                     self.treestore.foreach(find_parent, None)
                 else:
-                    new_folders = name.split("/")[:-1]
+                    new_folders = event.filename.split("/")[:-1]
                     parent_iter = None
                     for f in new_folders:
                         parent_iter = self.treestore.append(parent_iter,
@@ -682,8 +682,8 @@ class FilesTab(Tab):
             else:
                 # This is just changing a filename without any folder changes
                 def set_file_name(model, path, itr, user_data):
-                    if model[itr][5] == index:
-                        model[itr][0] = os.path.split(name)[-1]
+                    if model[itr][5] == event.index:
+                        model[itr][0] = os.path.split(event.filename)[-1]
                         return True
                 self.treestore.foreach(set_file_name, None)
 
@@ -729,40 +729,40 @@ class FilesTab(Tab):
             self.treestore.remove(itr)
             itr = parent
 
-    def _on_torrentfolderrenamed_event(self, torrent_id, old_folder, new_folder):
+    def _on_torrentfolderrenamed_event(self, event):
         log.debug("on_torrent_folder_renamed_signal")
-        log.debug("old_folder: %s new_folder: %s", old_folder, new_folder)
+        log.debug("old_folder: %s new_folder: %s", event.old, event.new)
 
-        if torrent_id not in self.files_list:
+        if event.torrent_id not in self.files_list:
             return
 
-        if old_folder[-1] != "/":
-            old_folder += "/"
-        if new_folder[-1] != "/":
-            new_folder += "/"
+        if event.old[-1] != "/":
+            event.old += "/"
+        if event.new[-1] != "/":
+            event.new += "/"
 
-        for fd in self.files_list[torrent_id]:
-            if fd["path"].startswith(old_folder):
-                fd["path"] = fd["path"].replace(old_folder, new_folder, 1)
+        for fd in self.files_list[event.torrent_id]:
+            if fd["path"].startswith(event.old):
+                fd["path"] = fd["path"].replace(event.old, event.new, 1)
 
-        if torrent_id == self.torrent_id:
+        if event.torrent_id == self.torrent_id:
 
-            old_split = old_folder.split("/")
+            old_split = event.old.split("/")
             try:
                 old_split.remove("")
             except:
                 pass
 
-            new_split = new_folder.split("/")
+            new_split = event.new.split("/")
             try:
                 new_split.remove("")
             except:
                 pass
 
-            old_folder_iter = self.get_iter_at_path(old_folder)
+            old_folder_iter = self.get_iter_at_path(event.old)
             old_folder_iter_parent = self.treestore.iter_parent(old_folder_iter)
 
-            new_folder_iter = self.get_iter_at_path(new_folder)
+            new_folder_iter = self.get_iter_at_path(event.new)
             if len(new_split) == len(old_split):
                 # These are at the same tree depth, so it's a simple rename
                 self.treestore[old_folder_iter][0] = new_split[-1] + "/"
@@ -782,9 +782,9 @@ class FilesTab(Tab):
             # and if so, we delete it
             self.remove_childless_folders(old_folder_iter_parent)
 
-    def _on_torrentremoved_event(self, torrent_id):
-        if torrent_id in self.files_list:
-            del self.files_list[torrent_id]
+    def _on_torrentremoved_event(self, event):
+        if event.torrent_id in self.files_list:
+            del self.files_list[event.torrent_id]
 
     def _on_drag_data_get_data(self, treeview, context, selection, target_id, etime):
         paths = self.listview.get_selection().get_selected_rows()[1]

deluge/ui/gtkui/mainwindow.py

@@ -245,11 +245,11 @@ class MainWindow(component.Component):
         else:
             self.window.set_title("Deluge")
 
-    def on_newversionavailable_event(self, new_version):
+    def on_newversionavailable_event(self, event):
         if self.config["show_new_releases"]:
             from deluge.ui.gtkui.new_release_dialog import NewReleaseDialog
-            reactor.callLater(5.0, NewReleaseDialog().show, new_version)
+            reactor.callLater(5.0, NewReleaseDialog().show, event.new_release)
 
-    def on_torrentfinished_event(self, torrent_id):
+    def on_torrentfinished_event(self, event):
         from deluge.ui.gtkui.notification import Notification
-        Notification().notify(torrent_id)
+        Notification().notify(event.torrent_id)

deluge/ui/gtkui/menubar.py

@@ -228,11 +228,11 @@ class MenuBar(component.Component):
         return sep
 
     ### Callbacks ###
-    def on_torrentstatechanged_event(self, torrent_id, state):
-        if state == "Paused":
+    def on_torrentstatechanged_event(self, event):
+        if event.state == "Paused":
             self.update_menu()
 
-    def on_torrentresumed_event(self, torrent_id):
+    def on_torrentresumed_event(self, event):
         self.update_menu()
 
     def on_sessionpaused_event(self):

deluge/ui/gtkui/pluginmanager.py

@@ -89,11 +89,11 @@ class PluginManager(deluge.pluginmanagerbase.PluginManagerBase,
         for plugin in enabled_plugins:
             self.enable_plugin(plugin)
 
-    def _on_plugin_enabled_event(self, name):
-        self.enable_plugin(name)
+    def _on_plugin_enabled_event(self, event):
+        self.enable_plugin(event.name)
 
-    def _on_plugin_disabled_event(self, name):
-        self.disable_plugin(name)
+    def _on_plugin_disabled_event(self, event):
+        self.disable_plugin(event.name)
 
     ## Hook functions
     def run_on_show_prefs(self):

deluge/ui/gtkui/statusbar.py

@@ -286,14 +286,14 @@ class StatusBar(component.Component):
         client.core.get_session_status(keys).addCallback(self._on_get_session_status)
         client.core.get_free_space().addCallback(self._on_get_free_space)
 
-    def on_configvaluechanged_event(self, key, value):
+    def on_configvaluechanged_event(self, event):
         """
         This is called when we receive a ConfigValueChangedEvent from
         the core.
         """
 
-        if key in self.config_value_changed_dict.keys():
-            self.config_value_changed_dict[key](value)
+        if event.key in self.config_value_changed_dict.keys():
+            self.config_value_changed_dict[event.key](event.value)
 
     def _on_max_connections_global(self, max_connections):
         self.max_connections = max_connections

deluge/ui/gtkui/systemtray.py

@@ -173,12 +173,12 @@ class SystemTray(component.Component):
             "payload_upload_rate",
             "payload_download_rate"]).addCallback(self._on_get_session_status)
 
-    def config_value_changed(self, key, value):
+    def config_value_changed(self, event):
         """This is called when we received a config_value_changed signal from
         the core."""
 
-        if key in self.config_value_changed_dict.keys():
-            self.config_value_changed_dict[key](value)
+        if event.key in self.config_value_changed_dict.keys():
+            self.config_value_changed_dict[event.key](event.value)
 
     def _on_max_download_speed(self, max_download_speed):
         if self.max_download_speed != max_download_speed:

deluge/ui/gtkui/torrentview.py

@@ -512,31 +512,31 @@ class TorrentView(listview.ListView, component.Component):
     def on_drag_drop(self, widget, drag_context, x, y, timestamp):
         widget.stop_emission("drag-drop")
 
-    def on_torrentadded_event(self, torrent_id, from_state):
-        self.add_row(torrent_id)
-        self.mark_dirty(torrent_id)
+    def on_torrentadded_event(self, event):
+        self.add_row(event.torrent_id)
+        self.mark_dirty(event.torrent_id)
 
-    def on_torrentremoved_event(self, torrent_id):
-        self.remove_row(torrent_id)
+    def on_torrentremoved_event(self, event):
+        self.remove_row(event.torrent_id)
 
-    def on_torrentstatechanged_event(self, torrent_id, state):
+    def on_torrentstatechanged_event(self, event):
         # Update the torrents state
         for row in self.liststore:
-            if not torrent_id == row[self.columns["torrent_id"].column_indices[0]]:
+            if not event.torrent_id == row[self.columns["torrent_id"].column_indices[0]]:
                 continue
-            row[self.get_column_index(_("Progress"))[1]] = state
+            row[self.get_column_index(_("Progress"))[1]] = event.state
 
-        self.mark_dirty(torrent_id)
+        self.mark_dirty(event.torrent_id)
 
-    def on_sessionpaused_event(self):
+    def on_sessionpaused_event(self, event):
         self.mark_dirty()
         self.update()
 
-    def on_sessionresumed_event(self):
+    def on_sessionresumed_event(self, event):
         self.mark_dirty()
         self.update()
 
-    def on_torrentqueuechanged_event(self):
+    def on_torrentqueuechanged_event(self, event):
         self.mark_dirty()
         self.update()
 

deluge/ui/sessionproxy.py

@@ -234,21 +234,21 @@ class SessionProxy(component.Component):
             d = client.core.get_torrents_status(filter_dict, keys, True)
             return d.addCallback(on_status, None, keys)
 
-    def on_torrent_state_changed(self, torrent_id, state):
-        if torrent_id in self.torrents:
-            self.torrents[torrent_id][1]["state"] = state
-            self.cache_times[torrent_id]["state"] = time.time()
+    def on_torrent_state_changed(self, event):
+        if event.torrent_id in self.torrents:
+            self.torrents[event.torrent_id][1]["state"] = event.state
+            self.cache_times[event.torrent_id]["state"] = time.time()
 
-    def on_torrent_added(self, torrent_id, from_state):
-        self.torrents[torrent_id] = [time.time() - self.cache_time - 1, {}]
-        self.cache_times[torrent_id] = {}
+    def on_torrent_added(self, event):
+        self.torrents[event.torrent_id] = [time.time() - self.cache_time - 1, {}]
+        self.cache_times[event.torrent_id] = {}
         def on_status(status):
-            self.torrents[torrent_id][1].update(status)
+            self.torrents[event.torrent_id][1].update(status)
             t = time.time()
             for key in status:
-                self.cache_times[torrent_id][key] = t
-        client.core.get_torrent_status(torrent_id, []).addCallback(on_status)
+                self.cache_times[event.torrent_id][key] = t
+        client.core.get_torrent_status(event.torrent_id, []).addCallback(on_status)
 
-    def on_torrent_removed(self, torrent_id):
-        del self.torrents[torrent_id]
-        del self.cache_times[torrent_id]
+    def on_torrent_removed(self, event):
+        del self.torrents[event.torrent_id]
+        del self.cache_times[event.torrent_id]

deluge/ui/web/pluginmanager.py

@@ -72,11 +72,11 @@ class PluginManager(PluginManagerBase, component.Component):
         for plugin in plugins:
             self.enable_plugin(plugin)
 
-    def _on_plugin_enabled_event(self, name):
-        self.enable_plugin(name)
+    def _on_plugin_enabled_event(self, event):
+        self.enable_plugin(event.name)
 
-    def _on_plugin_disabled_event(self, name):
-        self.disable_plugin(name)
+    def _on_plugin_disabled_event(self, event):
+        self.disable_plugin(event.name)
 
     def disable_plugin(self, name):
         # Get the plugin instance