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| -rw-r--r-- | README | 63 |
1 files changed, 62 insertions, 1 deletions
@@ -1,4 +1,4 @@ -asyncio event loop scheduling callbacks in eventlet. +asyncio event loop implemented on top of eventlet. * Trollius project: http://trollius.readthedocs.org/ * aiogreen at PyPI: https://pypi.python.org/pypi/aiogreen @@ -7,13 +7,74 @@ asyncio event loop scheduling callbacks in eventlet. Usage ===== +Use aiogreen with asyncio +------------------------- + aiogreen implements the asyncio API, see asyncio documentation: https://docs.python.org/dev/library/asyncio.html +To use aiogreen with asyncio, set the event loop policy before using an event +loop, example:: + + import aiogreen + import asyncio + + asyncio.set_event_loop_policy(aiogreen.EventLoopPolicy()) + # .... + +Adding this code should be enough to try examples of the asyncio documentation. + +Hello World:: + + import aiogreen + import asyncio + + def hello_world(): + print("Hello World") + loop.stop() + + asyncio.set_event_loop_policy(aiogreen.EventLoopPolicy()) + loop = asyncio.get_event_loop() + loop.call_soon(hello_world) + loop.run_forever() + loop.close() + + +Use aiogreen with trollius +------------------------- + To support Python 2, you can use Trollius which uses ``yield`` instead of ``yield from`` for coroutines: http://trollius.readthedocs.org/ +To use aiogreen with trollius, set the event loop policy before using an event +loop, example:: + + import aiogreen + import trollius + + trollius.set_event_loop_policy(aiogreen.EventLoopPolicy()) + # .... + +Hello World:: + + import aiogreen + import trollius as asyncio + + def hello_world(): + print("Hello World") + loop.stop() + + asyncio.set_event_loop_policy(aiogreen.EventLoopPolicy()) + loop = asyncio.get_event_loop() + loop.call_soon(hello_world) + loop.run_forever() + loop.close() + + +Eventlet and aiogreen +--------------------- + Using the event loop from greenthreads is not safe: calls to the event loop must be passed to ``call_soon_threadsafe()``. Example to stop the event loop: |