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@Margaruga
Created October 16, 2016 10:34
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import asyncio
import datetime
import random
async def display_date(num, loop):
end_time = loop.time() + 50.0
while True:
print("Loop: {} Time: {}".format(num, datetime.datetime.now()))
if (loop.time() + 1.0) >= end_time:
break
await asyncio.sleep(random.randint(0, 5))
loop = asyncio.get_event_loop()
asyncio.ensure_future(display_date(1, loop))
asyncio.ensure_future(display_date(2, loop))
loop.run_forever()
#############################
import asyncio
import requests
async def main():
loop = asyncio.get_event_loop()
future1 = loop.run_in_executor(None, requests.get, 'http://www.google.com')
future2 = loop.run_in_executor(None, requests.get, 'http://www.google.co.uk')
response1 = await future1
response2 = await future2
print(response1.text)
print(response2.text)
loop = asyncio.get_event_loop()
loop.run_until_complete(main())
#############################
import asyncio
@asyncio.coroutine
def slow_operation(future):
yield from asyncio.sleep(1)
future.set_result('Future is done!')
loop = asyncio.get_event_loop()
future = asyncio.Future()
asyncio.ensure_future(slow_operation(future))
loop.run_until_complete(future)
print(future.result())
loop.close()
#############################
import 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))
loop = asyncio.get_event_loop()
tasks = [
asyncio.ensure_future(factorial("A", 2)),
asyncio.ensure_future(factorial("B", 3)),
asyncio.ensure_future(factorial("C", 4))]
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
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