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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📊🇺🇸TRUMP APPROVAL RATING HITS 37% AS WAR DRAGS ON
🔹 Latest Pew Research poll shows Trump at 37% approval - down from 40% last fall 📉
🔹 365 straight days of negative approval ratings since March 2025 📅
🔹 No "rally around flag" bump despite Iran military strikes last week ⚔️
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📉🇺🇸TRUMP APPROVAL CRASHES TO 37% AMID IRAN WAR
🔹 Approval rating drops to 37% in latest Pew poll, down from 40% last fall 📊
🔹 Republican support slides to 73%, lowest since start of second term 🗳️
🔹 365 consecutive days of negative net approval rating per CNN analysis 🗓️
🔹 Only 21% trust his ethics, 25% believe he respects democratic values ⚖️
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First Combined Bitcoin-Ethereum ETFs Approved
✅ The SEC has approved the first combined spot ETFs for Bitcoin and Ethereum from Hashdex and Franklin Templeton. Asset allocation will be based on market capitalization, with Bloomberg analysts projecting a weight of approximately 80% Bitcoin and 20% Ethereum, reflecting current asset evaluations.
Read more
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