index modules | next | previous | Python » en 3.6.3 Documentation » The Python Standard Library » 18. Interprocess Communication and Networking » 18.5. asyncio — Asynchronous I/O, event loop, coroutines and tasks » | ¶ Source code: Lib/asyncio/events.py The event loop is the central execution device provided by asyncio . It provides multiple facilities, including: Registering, executing and cancelling delayed calls (timeouts). Creating client and server transports for various kinds of communication. Launching subprocesses and the associated transports for communication with an external program. Delegating costly function calls to a pool of threads. class asyncio. BaseEventLoop ¶ This class is an implementation detail. It is a subclass of AbstractEventLoop and may be a base class of concrete event loop implementations found in asyncio . It should not...