def __init__(self, callbacks, serializer=None):
"""Initialize the rpc dispatcher.
:param callbacks: List of proxy objects that are an instance
of a class with rpc methods exposed. Each proxy
object should have an RPC_API_VERSION attribute.
:param serializer: The Serializer object that will be used to
deserialize arguments before the method call and
to serialize the result after it returns.
"""
self.callbacks = callbacks
if serializer is None:
serializer = rpc_serializer.NoOpSerializer()
self.serializer = serializer
super(RpcDispatcher, self).__init__()
def __init__(self, topic, default_version, version_cap=None,
serializer=None):
"""Initialize an RpcProxy.
:param topic: The topic to use for all messages.
:param default_version: The default API version to request in all
outgoing messages. This can be overridden on a per-message
basis.
:param version_cap: Optionally cap the maximum version used for sent
messages.
:param serializer: Optionaly (de-)serialize entities with a
provided helper.
"""
self.topic = topic
self.default_version = default_version
self.version_cap = version_cap
if serializer is None:
serializer = rpc_serializer.NoOpSerializer()
self.serializer = serializer
super(RpcProxy, self).__init__()