Bare coroutine vs Task

bare_vs_task_py34.py

#!/usr/bin/env python
# coding=utf-8
import asyncio
import time


@asyncio.coroutine
def coro():
    while True:
        print('I\'m running!')
        yield from asyncio.sleep(0)

@asyncio.coroutine
def background_stuff2():
    print('Other background stuff...')

@asyncio.coroutine
def background_stuff():
    while True:
        time.sleep(0.5)
        yield from background_stuff2()
        time.sleep(0.5)
        print('Other background stuff...')

loop = asyncio.get_event_loop()
asyncio.async(coro())
asyncio.async(background_stuff())
loop.run_forever()

bare_vs_task_trollius_py27.py

#!/usr/bin/env python
# coding=utf-8
import trollius as asyncio
from trollius import From
import time


@asyncio.coroutine
def coro():
    while True:
        print('I\'m running!')
        yield From(asyncio.sleep(0))

@asyncio.coroutine
def background_stuff2():
    print('Other background stuff...')

@asyncio.coroutine
def background_stuff():
    while True:
        time.sleep(0.5)
        yield From(background_stuff2())
        time.sleep(0.5)
        print('Other background stuff...')

loop = asyncio.get_event_loop()
asyncio.async(coro())
asyncio.async(background_stuff())
loop.run_forever()