Три способа выполнить множество задач с asyncio
Функция для примера:
async def do_it(n):
await asyncio.sleep(random.uniform(0.5, 1))
return n
1. Последовательный вызов
async def main():
for i in range(100):
result = await do_it(i)
Такой вызов имеет смысл только тогда, когда результат одной задачи требуется для вызова следующей.
Если они независимы, то это антипаттерн, так как аналогичен простому синхронному вызову по очереди.
2. Упорядоченный результат
async def main():
tasks = [do_it(i) for i in range(100)]
results = await asyncio.gather(*tasks)
Выполняет корутины конкурентно и возвращает результат в виде списка.
Полезен когда требуется получить результаты в том же порядке в котором задачи отправлены.
3. Результат по мере готовности
tasks = [asyncio.create_task(do_it(i)) for i in range(100)]
for cor in asyncio.as_completed(tasks):
result = await cor
Так же выполняет корутины конкурентно, но не гарантирует порядок. Результат возвращается по мере готовности, каждый отдельно.
Полезен когда нужно обработать любой ответ как можно скорее.
#async
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Strategy (prev. #MicroStrategy) has bought 1,031 $BTC for $76.6M at an average price of $74,326 per #Bitcoin.
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Strategy (prev. #MicroStrategy) has bought 22,337 $BTC for $1.57B at an average price of $70,194 per #Bitcoin.
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https://x.com/OnchainLens/status/2033514795459318052
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Strategy (prev. #MicroStrategy) has bought 17,994 $BTC for $1.28B at an average price of $70,946 per #Bitcoin.
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Strategy (prev. #MicroStrategy) has bought 3,015 $BTC for $204.1M at an average price of $67,700 per #Bitcoin.
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Strategy (prev. #MicroStrategy) has bought 2,486 $BTC for $168.4M at an average price of $67,710 per #Bitcoin.
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