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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 #244235 · 18.04.2026 г., 15:11

#REQ | Volume spike (USDT PAIR) 1597 times the average volume 120.14K USDT traded in 1 min └Buying vol: 97.73K USDT 🟢 Boost score: 8/10 24h Vol: 108.28K USDT (Binance) Price: 0.0835 (-0.9% in 24h)

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Pro Analysis

@proanalysistrader · Post #27985 · 04.10.2024 г., 16:22

#REQ/USDT analysis : #REQ is currently encountering resistance at the resistance zone. The price is likely to experience a rejection from this level and continue its bearish momentum. Previous low is expected to be tested. Wait for price retracement for entry. TF : 15min Entry : $0.0963 Target : $0.0928 SL : $0.0985

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Crypto Profit Coach™

@cryptoprofitcoach · Post #9119 · 13.02.2025 г., 14:03

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 98-101 Showing upcoming bullish momentum 🔥 Strictly follow as directed 👆 Sell 🤑107-110 🤑 110-120 🤑 120-130 🤑 130-140 🚀 140-150 & above Bullish above 94🔼 Death Zone below- 94🔽🔽

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Crypto Profit Coach™

@cryptoprofitcoach · Post #9010 · 03.05.2024 г., 17:12

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 200-208 Showing upcoming bullish momentum 🔥 Strictly follow as directed 👆 Sell 🤑227-230 🤑 230-250 🤑 250-280 🤑 280-300 🚀 300-330 & above Bullish above 195 🔼

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Crypto Profit Coach™

@cryptoprofitcoach · Post #8978 · 22.03.2024 г., 17:46

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 195-210 Showing upcoming bullish momentum 🔥 Strictly follow as directed 👆 Sell 🤑 230-250 🤑 250-280 🤑 280-300 🚀 300-330 & above Bullish above 190🔼

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Crypto Profit Coach™

@cryptoprofitcoach · Post #8774 · 17.04.2023 г., 17:18

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 345-350 Showing upcoming bullish momentum 🔥 Strictly follow as directed 👆 Sell 🤑 370-385 🤑 385-410 🤑 410-450 🤑 450-490 🚀 490-530 & above Bullish above 330🔼

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Crypto Profit Coach™

@cryptoprofitcoach · Post #8622 · 02.01.2023 г., 19:09

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 510-516 Showing upcoming bullish momentum Strictly follow as directed 👆 Sell 🤑540-570 🤑 570-620 🤑 620-670 🤑 670-720 🚀 720-770 & above Bullish above 500

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Crypto Profit Coach™

@cryptoprofitcoach · Post #8560 · 05.12.2022 г., 17:36

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 530-545 Showing upcoming bullish momentum Strictly follow as directed 👆 Sell 🤑580-610 🤑 610-650 🤑 650-700 🤑 700-750 🚀 750-800 & above Bullish above 480 Signal Date 02/12/22

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Crypto Profit Coach™

@cryptoprofitcoach · Post #8530 · 24.11.2022 г., 08:28

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 500-528 Showing upcoming bullish momentum Strictly follow as directed 👆 Sell 🤑580-610 🤑 610-650 🤑 650-700 🤑 700-750 🚀 750-800 & above Bullish above 480 Signal Date 23/11/22

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Crypto Profit Coach™

@cryptoprofitcoach · Post #8506 · 21.11.2022 г., 12:35

#REQ👈 https://www.binance.com/en/trade/REQ_BTC Buy Zone 👉 500-535 Showing upcoming bullish momentum Strictly follow as directed 👆 Sell 🤑588-610 🤑 610-650 🤑 650-700 🤑 700-750 🚀 750-800 & above Bullish above 480 Signal Date 21/11/22

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