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
#SNX/USDT analysis :
#SNX is currently retracing towards the support zone following a recent impulsive move. It is anticipated that after a breakout from this zone, the price will retest and subsequently bounce back, resuming its bullish momentum.
TF : 1D
Entry : $2.0
Target : $3.4
SL : $1.5
#SNX/USDT analysis :
#SNX has broken and retested the support zone, and it is currently facing resistance from the 200 EMA. The price is likely to continue its bearish momentum from its current level and retest previous lows.
TF : 4H
Entry : $1.353
Target : $1.229
SL : $1.430
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