Функция asyncio.wait() это еще один способ вызвать множество асинхронных задач.
Она работает в нескольких режимах.
1. Самый простой - ждем завершения всех задач
async def main():
tasks = [asyncio.create_task(do_it(i)) for i in range(10)]
done, pending = await asyncio.wait(
tasks,
return_when=asyncio.ALL_COMPLETED
)
for task in done:
try:
print(task.result())
except Exception as e:
print(e)
Очень похоже на gather, но работает не так.
▫️возвращает не результаты, а два сета с объектами Task у которых можно забрать результат через task.result() если они в списке done
▫️не гарантирует порядок результатов так как оба объекта это set
▫️не выбрасывает исключение когда оно появляется, а сохраняет его в Task. Исключение появится когда попробуете забрать резултьтат.
2. Ждем завершения первой задачи, даже если там ошибка.
async def main():
tasks = [asyncio.create_task(do_it(i)) for i in range(3)]
done, pending = await asyncio.wait(
tasks,
return_when=asyncio.FIRST_COMPLETED
)
# в done может быть несколько задач!
for task in done:
try:
print(task.result())
except Exception as e:
print(f"Fail: {e}")
# Оставшиеся задачи в pending, как правило, нужно отменить, иначе они будут продолжать работать
for task in pending:
task.cancel()
В сете done будут таски которые успели завершится, причем как успешно так и нет.
3. До первой ошибки.
Тоже самое, но с аргументом FIRST_EXCEPTION
done, pending = await asyncio.wait(
tasks,
return_when=asyncio.FIRST_EXCEPTION
)
Функция завершается как только первая задача упадет с ошибкой.
Учтите, что в любом случае done вы можете обранужить несколько задач, как с ошибками так и успешные.
↗️ Полный листинг примеров здесь
#async
Title : "The Mysterious Nightmare"
The nightmare I got a day before,
Was full of science and plenty more,
The world of progress that we think of tonight,
The robots were working, it was a dreadful night.
It was when the human were servants,
Robots were having bungalows or villas,
We were that time the only vagrants.
The humans were robots and the robots were humans,
They all were having parties and we were being summoned.
They were instructing us as if we were dolls,
But the reality was that it was they robotic dolls.
They were the ones we then pray to God,
The one who takes our ease and comfort and many more.
Suddenly, with a jerk of dream, I saw someone with spiritual rays,
I was unable to see the face but was feeling the sense of gaze.
The voice says," Oh my dear child, calm your mind and enjoy the note of nature".
I then opened my eyes to the end of this dreamy adventure.
In the morning dawn,
With the closet of bizarre dreams and an upset mind,
I woke up on the verge of a melancholic night.
Suddenly, I heard the crazy cries of birds,
It was so blissful that I can't express it within a few words.
Enjoying the subtlety of nature,
I realised the existence of each creature.
Praying to God I would never have such dream,
I started my routine work with an energising scream.
#review
#Cookie
#Nightmare
"Goodnight" and then I sleep. I spent the day with you and I plan on continuing so I keep you in my dreams. It feels magical. Almost surreal. This is what I've longed for. Even after you broke me, you never left my mind. Except this time you were a nightmare, not a dream
#review#nightmare#her#broken
Mi sono stancato di influencer e tiktoker vari, buoni solo a pietrificare l'attenzione verso cose futili.
#vaporonda#vaporwave#vapourwave#vaporart#seapunk#webpunk#glitch#glitchart#glitchartistscollective#chillwave#aesthetic#vaporwaveaesthetic#vaporwaveaesthetics#malinconia#melancholy#tristezza#sadness#sadboy#lofi#apparenza#appearance#appearance#illusione#illusion#incubo#nightmare