RuntimeError: исключение игнорируется в: ‹function _ProactorBasePipeTransport

Я использую aiohttp, asyncio и codetiming для одновременных запросов. Я недавно обновил Python до версии 3.9.0 и получаю RuntimeError: цикл событий закрывается после запуска программы. Я пытаюсь выполнять асинхронные запросы с использованием структуры данных очереди …

import asyncio
import aiohttp
from codetiming import Timer
async def task(name, work_queue):
    timer = Timer(text=f"Task {name} elapsed time: {{:.1f}}")
    async with aiohttp.ClientSession() as session:
        while not work_queue.empty():
            url = await work_queue.get()
            print(f"Task {name} getting URL: {url}")
            timer.start()
            async with session.get(url) as response:
                await response.text()
            timer.stop()
async def main():
    # Create the queue of work
    work_queue = asyncio.Queue()
    # Put some work in the queue
    for url in [
        "https://google.com",
        "https://yahoo.com",
        "https://linkedin.com",
        "https://apple.com",
        "https://microsoft.com",
        "https://facebook.com",
        "https://twitter.com",
    ]:
        await work_queue.put(url)

    # Run the tasks
    with Timer(text="\nTotal elapsed time: {:.1f}"):
        await asyncio.gather(
            asyncio.create_task(task("One", work_queue)),
            asyncio.create_task(task("Two", work_queue)),
        )

if __name__ == "__main__":
    asyncio.run(main())

Я также получаю свой действительный результат, но не знаю, почему получаю эту ошибку RunTime. Результат следующий:

Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000020634355E50>
Traceback (most recent call last):
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 116, in __del__
    self.close()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 108, in close
    self._loop.call_soon(self._call_connection_lost, None)
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 746, in call_soon
    self._check_closed()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 510, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000020634355E50>
Traceback (most recent call last):
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 116, in __del__
    self.close()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 108, in close
    self._loop.call_soon(self._call_connection_lost, None)
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 746, in call_soon
    self._check_closed()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 510, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000020634355E50>
Traceback (most recent call last):
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 116, in __del__
    self.close()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 108, in close
    self._loop.call_soon(self._call_connection_lost, None)
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 746, in call_soon
    self._check_closed()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 510, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000020634355E50>
Traceback (most recent call last):
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 116, in __del__
    self.close()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 108, in close
    self._loop.call_soon(self._call_connection_lost, None)
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 746, in call_soon
    self._check_closed()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 510, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
Exception ignored in: <function _ProactorBasePipeTransport.__del__ at 0x0000020634355E50>
Traceback (most recent call last):
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 116, in __del__
    self.close()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\proactor_events.py", line 108, in close
    self._loop.call_soon(self._call_connection_lost, None)
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 746, in call_soon
    self._check_closed()
  File "C:\Users\DELL\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 510, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed

См. также:  Могу ли я объявить переменную, строго типизированную как целое число, в Python, как я делаю это в Java?
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Комментарии: 1
  1. DEEPAK SINGH

    Попробуйте использовать asyncio.get_event_loop().run_until_complete(main()) вместо asyncio.run(main())

    Спасибо, что поделился person DEEPAK SINGH; 21.02.2021

    Если кто-то еще сюда придет, это также работает с sqlalchemy.ext.asyncio person DEEPAK SINGH; 27.04.2021

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