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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 #243994 · 18.04.2026 г., 05:51

#HAEDAL | Volume spike (USDT PAIR) 96 times the average volume 108.61K USDT traded in 5 min └Buying vol: 73.73K USDT 🟢 Boost score: 7/10 24h Vol: 325.10K USDT (Binance) Price: 0.0375 (-3.3% in 24h)

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Coin Sonar

@CoinSonar · Post #243747 · 17.04.2026 г., 15:36

#HAEDAL | Volume spike (USDT PAIR) 37 times the average volume 128.55K USDT traded in 15 min └Buying vol: 81.39K USDT 🟢 Boost score: 4/10 24h Vol: 325.10K USDT (Binance) Price: 0.0345 (-3.3% in 24h)

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Coin Sonar

@CoinSonar · Post #243669 · 17.04.2026 г., 13:21

#HAEDAL | Volume spike (USDT PAIR) 38 times the average volume 129.28K USDT traded in 15 min └Buying vol: 92.07K USDT 🟢 Boost score: 3/10 24h Vol: 325.10K USDT (Binance) Price: 0.0340 (-3.3% in 24h)

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Haedal Protocol

@HaedalProtocol · Post #21 · 08.09.2023 г., 09:51

We are delighted to announce that Haedal has been integrated to @suiet_wallet, a well-designed native wallet on @Suinetwork🥳🥳 Users will be able to have easy access to #Haedal with a smooth experience throughout the integration. https://twitter.com/HaedalProtocol/status/1699699313042243892?s=20 @everyone

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Haedal Protocol

@HaedalProtocol · Post #7 · 15.07.2023 г., 20:02

Excited to be shortlisted for the @SuiNetwork x @KCLabsOfficial summer hackathon 🤩🤩 Vote for #Haedal and Join our community now 🤏🦦 https://twitter.com/SuiNetwork/status/1679762696932327424?s=20 @everyone

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Haedal Protocol

@HaedalProtocol · Post #12 · 03.08.2023 г., 09:37

We're extremely excited to win the Silver Award over 100+ projects from @SuiNetwork x @KCLabsOfficial Summer Hackathon!! 🥳🥳🎉🎉 🌪Unleash your liquidity with #Haedal Protocol, the first liquid staking protocol on #Sui. 🤩🤩 Read more info via: https://medium.com/@haedal/haedal-won-the-silver-prize-at-sui-x-kclabs-summer-hackathon-bae0b704b4a1 🥰Check out all the winners: https://blog.sui.io/hackathon-winners/ https://twitter.com/HaedalProtocol/status/1687101361383698433?s=20 @everyone

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Haedal Protocol

@HaedalProtocol · Post #30 · 29.11.2023 г., 20:17

Haedal's Dapp is now LIVE on the @surf_wallet Mobile!! ✨✨ Stake with @HaedalProtocol on your phone and enjoy the seamless experience with Surf wallet 🏄🏄 #Haedal#SurfMobileWallet https://x.com/haedalprotocol/status/1722071497542664522?s=46&t=wHLWioW005cyd63U3CAzOA

Haedal Protocol

@HaedalProtocol · Post #10 · 25.07.2023 г., 03:03

We are delighted to be awarded the sliver prize in #DeFi & Payment field in the @SuiNetwork x @KCLabsOfficial Summer Hackathon and will be continuously building the infrastructure of #Sui ecosystem! 🔥🤩 Stay tuned for the latest updates of #Haedal👀 https://twitter.com/HaedalProtocol/status/1683671733453324290?s=20 @everyone

Haedal Protocol

@HaedalProtocol · Post #4 · 05.07.2023 г., 08:17

#Haedal is a liquid staking protocol built on #Sui🦦 where anyone can stake SUI to secure Sui network through governance & decentralization. Meanwhile, users will get stSUI in return so they can earn rewards without funds locked in & participate in further #DeFi activities 💸 https://twitter.com/HaedalProtocol/status/1676504483306823680?s=20 @everyone

Haedal Protocol

@HaedalProtocol · Post #15 · 28.08.2023 г., 13:04

Manual Staking function is now available on @HaedalProtocol🎉🎉 Users can choose their preferred validator filtered by different APY% with a more autonomous experience. #Haedal#DeFi#LSDFI#Suinami https://twitter.com/HaedalProtocol/status/1691633818787258711?s=20 @everyone

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