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Programming Distributed Systems with YAMI4

6.2.5 Python

In Python the message handler has to be a callable entity of any type, including a regular function, that accepts a single parameter of type IncomingMessage.

An example message handler can be implemented in the following way:

def my_handler(message):
    # code processing the incoming message

and the registration can look like:

my_agent.register_object("my_object", my_handler)

The above approach is used by all example programs, but in more complex systems a typical implementation of the message handler will be encapsulated in the user-provided class with overriden __call__ function.