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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 #243782 · 17.04.2026 г., 17:12

#ZK | Volume spike (USDT PAIR) 9 times the average volume 324.65K USDT traded in 15 min └Selling vol: 163.61K USDT 🔴 Boost score: 1/10 24h Vol: 3.22M USDT (Binance) Price: 0.01775 (-0.6% in 24h)

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Coin Sonar

@CoinSonar · Post #243378 · 17.04.2026 г., 00:35

#ZK | Volume spike (USDT PAIR) 60 times the average volume 135.69K USDT traded in 1 min └Buying vol: 95.53K USDT 🟢 Boost score: 6/10 24h Vol: 3.22M USDT (Binance) Price: 0.01649 (-0.6% in 24h)

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📊#ZK/USDT – MARKET STRUCTURE (1D) ZK is currently building a base near key demand. Price has been respecting the 0.031–0.033 zone. ⚠️ Key level to watch: • 0.040–0.041 (range resistance) A clean daily close above this level could open room for a higher move. Premium members already have trade plans mapped. 👉@futurechief

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American Crypto©

@americancryptotrading · Post #27319 · 22.07.2025 г., 08:54

🇺🇸#ZK/USDT is consolidating above the descendingresistance line on the daily chart👀 A confirmed retest could lead to massive gains✈️ American Crypto©

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Free Crypto Signals (Profitable Zone)

@btctradingclub · Post #26760 · 12.01.2026 г., 19:04

📊#ZK/USDT – MARKET STRUCTURE (1D) ZK is currently building a base near key demand. Price has been respecting the 0.031–0.033 zone. ⚠️ Key level to watch: • 0.040–0.041 (range resistance) A clean daily close above this level could open room for a higher move. Premium members already have trade plans mapped. 👉@primemod

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Free Crypto Signals (Profitable Zone)

@btctradingclub · Post #26266 · 05.11.2025 г., 20:54

✅✅ 51% Profit on #ZK/USDT for our Premium Members on Binance Futures/Bybit/OKX & KuCoin 👁‍🗨Contact @primemod to enter the premium group & make daily gains on Futures/Bybit/OKX/Kucoin & Bitget market

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Free Crypto Signals (Profitable Zone)

@btctradingclub · Post #26256 · 04.11.2025 г., 20:17

🚀🚀 57% Profit on #ZK/USDT for our Premium Members on On Binance Futures, OKX, Bybit, Kucoin 👆🏻All Profit Targets Successfully Completed 👁‍🗨Contact @primemod to enter the most powerful premium group & make daily gains

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Free Crypto Signals (Profitable Zone)

@btctradingclub · Post #26252 · 04.11.2025 г., 09:40

🚀🚀 77% Profit on #ZK/USDT for our Premium Members on On Binance Futures, OKX, Bybit, Kucoin 👆🏻All Profit Targets Successfully Completed - Trade Closed 👁‍🗨Contact @primemod to enter the most powerful premium group & make daily gains

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