Get something basic working

sugar/chat/sketchpad/Sketch.py

@@ -1,3 +1,5 @@
+from SVGdraw import path
+
 class Sketch:
 	def __init__(self):
 		self._points = []
@@ -14,3 +16,16 @@ class Sketch:
 			else:
 				ctx.line_to(x, y)
 		ctx.stroke()
+	
+	def draw_to_svg(self):
+		i = 0
+		for [x, y] in self._points:
+			coords = str(x) + ' ' + str(y) + ' '
+			if i == 0:
+				path_data = 'M ' + coords
+			elif i == 1:
+				path_data += 'L ' + coords
+			else:
+				path_data += coords
+			i += 1
+		return path(path_data, fill = 'none', stroke = '#000000')

sugar/chat/sketchpad/SketchPad.py

@@ -5,6 +5,9 @@ import cairo
 
 from Sketch import Sketch
 
+from SVGdraw import drawing
+from SVGdraw import svg
+
 class SketchPad(gtk.DrawingArea):
 	def __init__(self):
 		gtk.DrawingArea.__init__(self)
@@ -43,6 +46,18 @@ class SketchPad(gtk.DrawingArea):
 			self._active_sketch.add_point(event.x, event.y)
 		self.window.invalidate_rect(None, False)
 	
+	def to_svg(self):
+		d = drawing()
+		s = svg()
+		for sketch in self._sketches:
+			s.addElement(sketch.draw_to_svg())
+		d.setSVG(s)
+		return d.toXml()
+
+def test_quit(w, sketchpad):
+	print sketchpad.to_svg()
+	gtk.main_quit()
+
 if __name__ == "__main__":
 	window = gtk.Window()
 	window.set_default_size(400, 300)
@@ -54,4 +69,6 @@ if __name__ == "__main__":
 	
 	window.show()
 	
+	window.connect("destroy", test_quit, sketchpad)
+
 	gtk.main()

sugar/p2p/MostlyReliablePipe.py

@@ -537,7 +537,6 @@ class MostlyReliablePipe(object):
 		return False
 
 	def _retransmit_check_worker(self):
-		try:
 		now = time.time()
 		for key in self._incoming.keys()[:]:
 			message = self._incoming[key]
@@ -552,8 +551,6 @@ class MostlyReliablePipe(object):
 				self._dispatched[key] = message
 				message.set_dispatch_time()
 				del self._incoming[key]
-		except KeyboardInterrupt:
-			return False
 		return True
 
 	def _process_incoming_data(self, segment):

sugar/p2p/presence.py

@@ -60,14 +60,7 @@ class PresenceDiscovery(object):
 
 #		print "Browsing domain '%s' on %i.%i ..." % (domain, interface, protocol)
     
-		try:
 		b = dbus.Interface(self.bus.get_object(avahi.DBUS_NAME, self.server.ServiceTypeBrowserNew(interface, protocol, domain, dbus.UInt32(0))),  avahi.DBUS_INTERFACE_SERVICE_TYPE_BROWSER)
-		except dbus.DBusException, exc:
-			str_exc = str(exc)
-			if str_exc.find("The name org.freedesktop.Avahi was not provided by any .service files") >= 0:
-				raise Exception("Avahi does not appear to be running.  '%s'" % str_exc)
-			else:
-				raise exc
 		b.connect_to_signal('ItemNew', self.new_service_type)
 
 		self._service_type_browsers[(interface, protocol, domain)] = b

sugar/session/session.py

@@ -38,7 +38,4 @@ def start(console):
 			args.append('--console')
 		os.spawnvp(os.P_NOWAIT, 'python', args)
 
-	try:
 	gtk.main()
-	except KeyboardInterrupt:
-		pass