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listing_6_5a.py
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listing_6_5a.py
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"""
Исполнитель пула процессов в сочетании с `asyncio.as_completed()`
"""
import asyncio
from asyncio.events import AbstractEventLoop
from concurrent.futures import ProcessPoolExecutor
from functools import partial
from typing import List
def count(count_to: int) -> int:
counter = 0
while counter < count_to:
counter += 1
return counter
async def main() -> None:
with ProcessPoolExecutor() as process_pool:
loop: AbstractEventLoop = asyncio.get_running_loop()
nums = [10**8, 1, 3, 5, 22]
calls: List[partial[int]] = [partial(count, num) for num in nums]
call_coros = []
for call in calls:
call_coros.append(loop.run_in_executor(process_pool, call))
# Print result as soon as it's ready:
for finished_task in asyncio.as_completed(call_coros, timeout=3):
try:
result = await finished_task
print(f"{result=}")
except asyncio.TimeoutError:
print("Timeout!")
if __name__ == "__main__":
asyncio.run(main())