Rework the signalreceiver a bit to help address errors on exit.

A few UI tweaks.

deluge/ui/gtkui/connectionmanager.py

@@ -430,6 +430,8 @@ class ConnectionManager(component.Component):
             
         uri = "http://" + uri
         if status == HOSTLIST_STATUS.index("Connected"):
+            # Stop all the components first.
+            component.stop()
             # If we are connected to this host, then we will disconnect.
             client.set_core_uri(None)
             self._update()

deluge/ui/gtkui/removetorrentdialog.py

@@ -79,10 +79,10 @@ class RemoveTorrentDialog:
         self.dialog.show()
     
     def on_button_ok_clicked(self, widget):
-        #data = self.glade.get_widget("chk_data").get_active()
-        #torrent = self.glade.get_widget("chk_torrents").get_active()
         client.remove_torrent(
             self.torrent_ids, self.remove_torrentfile, self.remove_data)
+        # Unselect all to avoid issues with the selection changed event
+        component.get("TorrentView").treeview.get_selection().unselect_all()
         self.dialog.destroy()
         
     def on_button_cancel_clicked(self, widget):

deluge/ui/gtkui/signals.py

@@ -87,23 +87,26 @@ class Signals(component.Component):
         log.debug("torrent id: %s", torrent_id)
         # Remove the torrent from the treeview
         component.get("TorrentView").remove_row(torrent_id)
-        component.get("TorrentDetails").clear()
 
     def torrent_paused(self, torrent_id):
         log.debug("torrent_paused signal received..")
         component.get("TorrentView").update()
+        component.get("ToolBar").update_buttons()
     
     def torrent_resumed(self, torrent_id):
         log.debug("torrent_resumed signal received..")
         component.get("TorrentView").update()
+        component.get("ToolBar").update_buttons()
             
     def torrent_all_paused(self):
         log.debug("torrent_all_paused signal received..")
         component.get("TorrentView").update()
+        component.get("ToolBar").update_buttons()
         
     def torrent_all_resumed(self):
         log.debug("torrent_all_resumed signal received..")
         component.get("TorrentView").update()
+        component.get("ToolBar").update_buttons()
         
     def config_value_changed(self, key, value):
         log.debug("config_value_changed signal received..")

deluge/ui/gtkui/torrentview.py

@@ -38,9 +38,6 @@ pygtk.require('2.0')
 import gtk, gtk.glade
 import gettext
 import gobject
-import cPickle as pickle
-import time
-import traceback
 
 import deluge.common
 import deluge.component as component
@@ -357,7 +354,6 @@ class TorrentView(listview.ListView, component.Component):
     def remove_row(self, torrent_id):
         """Removes a row with torrent_id"""
         for row in self.liststore:
-            # Check if this row is the row we want to remove
             if row[0] == torrent_id:
                 self.liststore.remove(row.iter)
                 # Force an update of the torrentview
@@ -433,4 +429,3 @@ class TorrentView(listview.ListView, component.Component):
         component.get("TorrentDetails").update()
         component.get("ToolBar").update_buttons()
         
-        

deluge/ui/signalreceiver.py

@@ -42,21 +42,21 @@ import deluge.SimpleXMLRPCServer as SimpleXMLRPCServer
 from SocketServer import ThreadingMixIn
 import deluge.xmlrpclib as xmlrpclib
 import threading
+import socket
 
 from deluge.log import LOG as log
 
-class SignalReceiver(
-        ThreadingMixIn, 
-        SimpleXMLRPCServer.SimpleXMLRPCServer):
+class SignalReceiver(ThreadingMixIn, SimpleXMLRPCServer.SimpleXMLRPCServer):
     
     def __init__(self):
         log.debug("SignalReceiver init..")
-        gobject.threads_init()
+       # gobject.threads_init()
     
         # Set to true so that the receiver thread will exit
         self._shutdown = False
 
         self.signals = {}
+        self.emitted_signals = []
         
         self.remote = False
 
@@ -68,19 +68,13 @@ class SignalReceiver(
         try:
             client.deregister_client()
             client.force_call()
-        except:
-            pass
+        except Exception, e:
+            log.debug("Unable to deregister client from server: %s", e)
+            
         log.debug("Shutting down signalreceiver")
 
-        # Hacky.. sends a request to our local receiver to ensure that it
-        # shutdowns.. This is because handle_request() is a blocking call.
-        receiver = xmlrpclib.ServerProxy("http://localhost:" + str(self.port),
-            allow_none=True)
-        try:
-            receiver.emit_signal("shutdown", None)
-        except:
-            # We don't care about errors at this point
-            pass
+        self.socket.shutdown(socket.SHUT_RDWR)
+        return
     
     def set_remote(self, remote):
         self.remote = remote
@@ -114,6 +108,9 @@ class SignalReceiver(
         client.register_client(str(self.port))
         
         t = threading.Thread(target=self.handle_thread)
+        
+        gobject.timeout_add(50, self.handle_signals)
+        
         try:
             t.start()
         except Exception, e:
@@ -129,23 +126,20 @@ class SignalReceiver(
             
     def emit_signal(self, signal, *data):
         """Exported method used by the core to emit a signal to the client"""
-        try:
-            if data != None:
+        self.emitted_signals.append((signal, data))
+        return
+
+    def handle_signals(self):
+        for signal, data in self.emitted_signals:
+            try:
                 for callback in self.signals[signal]:
-                    try:
-                        gobject.idle_add(callback, *data)
-                    except:
-                        log.warning("Unable to call callback for signal %s", 
-                            signal)
-            else:
-                for callback in self.signals[signal]:
-                    try:
-                        gobject.idle_add(callback)
-                    except:
-                        log.warning("Unable to call callback for signal %s",
-                            signal)
-        except KeyError:
-            log.debug("There are no callbacks registered for signal '%s'", signal)
+                    gobject.idle_add(callback, *data)
+                    
+            except Exception, e:
+                log.warning("Unable to call callback for signal %s: %s", signal, e)
+
+        self.emitted_signals = []
+        return True
         
     def connect_to_signal(self, signal, callback):
         """Connect to a signal"""
@@ -155,4 +149,3 @@ class SignalReceiver(
         except KeyError:
             self.signals[signal] = [callback]
 
-