micropython-lib/asyncio_slow/example_parallel.py

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Python

#https://docs.python.org/3.4/library/asyncio-task.html#example-parallel-execution-of-tasks
#import asyncio
import asyncio_slow as asyncio
@asyncio.coroutine
def factorial(name, number):
f = 1
for i in range(2, number+1):
print("Task %s: Compute factorial(%s)..." % (name, i))
yield from asyncio.sleep(1)
f *= i
print("Task %s: factorial(%s) = %s" % (name, number, f))
tasks = [
asyncio.Task(factorial("A", 2)),
asyncio.Task(factorial("B", 3)),
asyncio.Task(factorial("C", 4))]
loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.wait(tasks))
loop.close()