Python: Essential Reference, Third Edition

asyncore

The asyncore module is used to build network applications in which network activity is handled asynchronously as a series of events dispatched by an event loop, built using the select() system call. Such an approach is useful in network programs that want to provide concurrency, but without the use of threads or processes. This method can also provide high performance for short transactions. All the functionality of this module is provided by the dispatcher class, which is a thin wrapper around an ordinary socket object.

						dispatcher ([sock])

A base class defining an event-driven nonblocking socket object. sock is an existing socket object. If omitted, a socket must be created using the create_socket() method (described shortly). Once ...