def invoke_special(self, message, connection):
args = message["arguments"]
args = [decode_object(arg) for arg in args]
try:
return_value = self.special_target(*args)
except Exception as e:
print_exc()
return_value = e
result = encode_object(return_value)
response = create_message(CallFunctionResponse,
message, return_value=result)
connection.send(response)
def process_get_object_value_command(message, sender, connection):
interface_name = message["interface_name"]
object_name = message["object_name"]
try:
interface = autobus.lookup_interface(interface_name)
object = interface.object_map[object_name]
object_value = object.get()
except (autobus.NoSuchInterfaceException, KeyError): # Object doesn't exist yet
object_value = encode_object(None)
response = create_message(GetObjectValueResponse,
message, interface_name=interface_name, object_name=object_name,
value=object_value)
connection.send(response)
def deregister(self):
"""
The opposite of register(): deregisters this interface.
"""
print "Deregistering interface with name " + self.name
del interface_map[self.name]
self.connection.interfaces.remove(self)
for object_name in self.object_map:
self.object_map[object_name].set_and_notify(encode_object(None))
# Notifications
if self is not autobus_interface:
autobus_interface.notify_object("interface_count")
autobus_interface.notify_object("interfaces")
autobus_interface.notify_object("interface_items")
def process_watch_object_command(message, sender, connection):
interface_name = message["interface_name"]
object_name = message["object_name"]
autobus.register_object_watch(interface_name, object_name, sender)
connection.watches.append((interface_name, object_name))
try:
interface = autobus.lookup_interface(interface_name)
object = interface.object_map[object_name]
object_value = object.get()
except (autobus.NoSuchInterfaceException, KeyError): # Object doesn't exist yet
object_value = encode_object(None)
response = create_message(WatchObjectResponse,
message, interface_name=interface_name, object_name=object_name,
value=object_value)
connection.send(response)
def get(self):
value = self.accessor()
return encode_object(value)
