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@chessio_EN · Post #104 · 16.01.2025 г., 08:48
Find the best move for Black #Chessio#DailyPuzzle
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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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Chessio News EN 🇬🇧
@chessio_EN · Post #103 · 15.01.2025 г., 13:01
Find the best move for White #Chessio#DailyPuzzle
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Chessio News EN 🇬🇧
@chessio_EN · Post #128 · 09.03.2025 г., 22:04
📢 Important Chessio Update 💔 This is probably the hardest yet message we are sharing with you, our lovely Chessio Community. Before we explain further, here’s the honest truth: All this time, we’ve been running Chessio entirely from our own pockets - covering infrastructure, prize tournaments, drops, and more. We developed and maintained the platform alongside our main jobs, often sacrificing valuable family time. After much thought, we’ve decided to pause Chessio development at the end of March 2025. Additionally, we have stopped mining because we can’t promise what we aren’t sure about. We didn't receive support from the TON Foundation, even though we were among the top 10 projects out of over 1,000 in the Summer Hackathon. For example, the marketing campaign that was part of our winning prize hasn’t been launched yet. Our final drop will have a place for top 100 players of the SION leaderboard where we share 1000 USDT proportionally between players. If you are in the top 100 list, make sure you have your wallet connected. We have always been with you, and we truly appreciate your support. We hope for your understanding during these challenging times. What’s Next? Chessio will remain online on minimal hardware so you can still play games with friends and host tournaments, though it will be running on a minimal hardware, and we may need to turn off games with bots and server analysis as it eats infrastructure resources. We will be around, but the development will be on hold. But we are not giving up. Something even more exciting is coming! So stay with us and stay subscribed!🔥 Thank you for being part of this incredible Chessio and SION journey. We look forward to meeting you on the next page 😉 ❤️🧡💚💖🤍 Your Chessio Team! #Chessio#ThankYou#SeeYouSoon
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