Added REQUIRE capabilities for Routing

Shared/Routing.py

@@ -1,3 +1,11 @@
+BROADCAST = 0
+ROUTE = 1
+LAST_STOP = 2
+
+class InvalidRouteSetup(AttributeError):
+	def __init__(self, msg):
+		super(AttributeError, self).__init__(msg)
+
 class ServerRoute:
 	def __init__(self, **kwargs):
 		self.setup(**kwargs)
@@ -12,9 +20,24 @@ class ClientRoute:
 	def run(self, data, handler):
 		pass
 
-def create_routes(routes):
+def create_routes(routes, handler):
 	routes = routes.copy()
+	reverse_routes = {}
 	for prefix in routes:
 		if type(routes[prefix]) is tuple or type(routes[prefix]) is list:
 			routes[prefix] = routes[prefix][0](**routes[prefix][1])
+		reverse_routes[routes[prefix]] = prefix
+	for prefix in routes:
+		attrs = dir(routes[prefix])
+		if "REQUIRED" in attrs:
+			if not "start" in attrs:
+				raise InvalidRouteSetup("method named 'start' required if 'REQUIRE' is defined")
+			for required in type(routes[prefix]).REQUIRED:
+				if required == BROADCAST:
+					routes[prefix].broadcast = handler.broadcast
+				elif required == ROUTE:
+					routes[prefix].route = reverse_routes[routes[prefix]]
+				elif required == LAST_STOP:
+					routes[prefix].last_stop = handler.last_stop
+			routes[prefix].start()
 	return routes