index modules | next | previous | Python » en 3.6.3rc1 Documentation » The Python Standard Library » 18. Interprocess Communication and Networking » | asyncio ¶ New in version 3.4. Source code: Lib/asyncio/ This module provides infrastructure for writing single-threaded concurrent code using coroutines, multiplexing I/O access over sockets and other resources, running network clients and servers, and other related primitives. Here is a more detailed list of the package contents: a pluggable event loop with various system-specific implementations; transport and protocol abstractions (similar to those in Twisted ); concrete support for TCP, UDP, SSL, subprocess pipes, delayed calls, and others (some may be system-dependent); a Future class that mimics the one in the concurrent.futures module, but adapted for use with the event loop; coroutines and tasks...