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Изворен канал @pythonotes · Post #397 · 12 ное.

Использование Pydantic сегодня стало нормой, и это правильно. Но иногда на ревью вижу, что используют его не всегда корректно. Например, метод BaseModel.model_dump() по умолчанию не преобразует стандартные типы, такие как datetime, UUID или Decimal, в простой сериализуемый для JSON вид. Тогда пишут кастмоный сериализатор для этих типов чтобы функция json.dump() не падала с ошибкой. import uuid from datetime import datetime from decimal import Decimal from uuid import UUID from pydantic import BaseModel class MyModel(BaseModel): id: UUID date: datetime value: Decimal obj = MyModel( id=uuid.uuid4(), date=datetime.now(), value='1.23' ) print(obj.model_dump()) # не подходит для json.dump # { # 'id': UUID('4f8c1bc4-25fd-40cd-9dbe-2c73639b0dc1'), # 'date': datetime.datetime(2025, 12, 12, 12, 12, 12, 111111), # 'value': Decimal('1.23') # } # добавляем свой кастомный сериализатор json.dumps(obj.model_dump(), cls=MySerializer) # { # 'id': '4f8c1bc4-25fd-40cd-9dbe-2c73639b0dc1', # 'date': '2025-12-12T12:12:12.111111', # 'value': '1.23' # } В данном случае класс MySerializer обрабатывает datetime, UUID и Decimal. Например так: class MySerializer(json.JSONEncoder): def default(self, o): if isinstance(o, Decimal): return str(o) elif isinstance(o, datetime): return o.isoformat() elif isinstance(o, UUID): return str(o) return super().default(o) Специально для тех, кто всё еще так делает - в этом нет необходимости! Pydantic может это сделать сам, просто нужно добавить параметр mode="json". json.dumps(obj.model_dump(mode="json")) # { # 'id': '4f8c1bc4-25fd-40cd-9dbe-2c73639b0dc1', # 'date': '2012-12-12T12:12:12.111111', # 'value': '1.23' # } #pydantic#libs

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Coin Sonar

@CoinSonar · Post #243300 · 16.04.2026 г., 20:00

#SIGN | Volume spike (USDT PAIR) 9 times the average volume 2.01M USDT traded in 15 min └Selling vol: 1.28M USDT 🔴 Boost score: 1/10 24h Vol: 19.50M USDT (Binance) Price: 0.01913 (-29.8% in 24h)

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#SIGN/USDT 🔥🔥 Leverage: Cross (10.00X) Buy Zone: 0.0410–0.0450 TP1: 0.0505 TP2: 0.0558 TP3: 0.0615 TP4: 0.0690 TP5: 0.0780 SL: below 0.0375 From a fundamental perspective, $SIGN has seen increased market attention due to rising trading volume and liquidity on Binance, with strong recent growth performance over the past 30 days. Additionally, Binance has also launched a CreatorPad campaign for $SIGN recently, aiming to boost community engagement and user participation through reward-based activities, which can increase visibility and short-term trading momentum around the token.

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Fed. Russian Insiders ®

@FedRussianInsidersVip4Free · Post #6639 · 10.09.2025 г., 13:04

BUYING $SIGN HERE Exchange: Binance / Binance Futures Buying / Longing #SIGN now. Fully bottomed, next stop $0.15🚀 Stops below $0.059

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Crypto Drop Club

@drop_cryptogo · Post #1643 · 02.02.2025 г., 21:12

🗣#Sign – Join the Potential Airdrop Backed by $29M from Binance (Incubation), Sequoia, HashKey, and Circle. What to do: ✔️ Visit the site ✔️ Go to “Profile” and click “Create Schema” ✔️ Randomly click through all fields ✔️ Mint in low-cost networks (Polygon costs ~0.01$) 🟠 Rewards: Potential airdrop 🟠 Deadline: TBA 🟠 Expenses: 0.01$ – 1$ 🟠 Low costs but huge investment ($29M from top-tier funds). ☝️ Start trading on Bybit Crypto Drop Club 👉 SUBSCRIBE

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Pump Leaks

@pumpleaks · Post #1370 · 10.09.2025 г., 13:05

BUYING $SIGN HERE Exchange: Binance / Binance Futures Buying / Longing #SIGN now. Fully bottomed, next stop $0.15🚀 Stops below $0.059

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Wall Street Gems

@wallstreetgems · Post #1270 · 10.09.2025 г., 13:05

BUYING $SIGN HERE Exchange: Binance / Binance Futures Buying / Longing #SIGN now. Fully bottomed, next stop $0.15🚀 Stops below $0.059

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Pepe Pumps Signals

@pepe_pumps_signals · Post #773 · 10.09.2025 г., 13:06

BUYING $SIGN HERE Exchange: Binance / Binance Futures Buying / Longing #SIGN now. Fully bottomed, next stop $0.15🚀 Stops below $0.059

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