我正在使用asyncio(在python 3.6中)安排多个异步任务。
在以下示例中:
import concurrent.futures
import time
import asyncio
def long_task(t):
print(t)
time.sleep(1)
return t
loop = asyncio.get_event_loop()
executor = concurrent.futures.ThreadPoolExecutor(max_workers=3)
inputs = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
futures = [loop.run_in_executor(executor, long_task, i) for i in inputs]
有没有办法获得完成任务的数量?
谢谢
我发现,asyncio Future对象具有done()函数:
from asyncio import Future
from typing import List
def get_progress(futures: List[Future]) -> int:
return sum([f.done() for f in futures])