Отдельно разберём TaskGroup, который пришел на замену gather в Python 3.11.
Ключевые отличия
▫️create_task() возвращает объект asyncio.Task, у которого есть соответствюущие методы управления. То есть у нас больше контроля
▫️это контекстный менеджер, который гарантирует что все таски будут остановлены по выходу из контекста
▫️ошибка автоматически отменяет незавершенные задачи,
▫️except* передает нам ExceptionGroup, в котором каждую ошибку можно обработать отдельно
import asyncio
import random
async def do_it() -> str:
if random.random() < 0.1:
raise ValueError('Oops')
delay = random.uniform(0.5, 1.5)
await asyncio.sleep(delay)
return delay
async def main():
try:
async with asyncio.TaskGroup() as tg:
for _ in range(10):
tasks.append(tg.create_task(do_it()))
for t in tasks:
print(t.result())
except *ValueError as e:
for err in e.exceptions:
print(err)
asyncio.run(main())
Рекомендую изучить страницу Coroutines and Tasks из документации, где представлено больше интересных примеров и механизмов
- таймауты
- отмена задач
- создание задач из другого потока
#async
3 hours ago, James Fickel (@jamesfickel) swapped another 350 $WBTC for 6,905 $ETH ($24.4M) at ~$3,534 as the $ETH price soared 20% (24H)!
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#EthereumETF#Approval
📊🇺🇸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 ⚔️
🔹 50% of Americans say administration performing WORSE than expected vs only 21% better 😬
🔹 Even Republican support drops to 73% - lowest since second term began 🔴
🔹 G. Elliott Morris analysis shows Trump stuck at 39-40% with no upward momentum 📈
War usually boosts presidents but NOT this time - Americans want results! 🇺🇸💯
#polls#approval#Trump
@america
📉🇺🇸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 ⚖️
🔹 Gas prices spike 19% to $3.45 due to Iran conflict hurting popularity ⛽
🔹 Independent voters abandoning Trump as war costs mount financially 💸
Is this the beginning of the end for Trump 2.0? The numbers don't lie 📈💥
#USNews#Trump#polls#approval
@america
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
#SEC#ETF#Bitcoin#Ethereum#Hashdex#FranklinTempleton#Bloomberg#Crypto#Finance#Investment#Market#Assets#Approval#SpotETFs#Capitalization#Trading#AssetsAllocation#Investing#DigitalAssets#InvestmentStrategy