TGINSIGHT SIMILAR POSTS
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
Пребарај: #cpfflashquiz
@CPFBoard · Post #2013 · 15.04.2026 г., 10:19
Do you know how the Workfare Income Supplement (WIS) scheme can support you as an eligible self-employed person (SEP)? 🙋 Put your knowledge to the test with this #CPFFlashQuiz and discover how WIS can support you for your current and future needs!
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@CPFBoard · Post #1988 · 08.04.2026 г., 10:01
It’s important to take care of your health. Time for a check-up with this #CPFFlashQuiz! Find out how much you know about the three national healthcare schemes that support you at every stage of life.
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@CPFBoard · Post #1941 · 19.02.2026 г., 10:00
🧑💻 Planning your home purchase? Before you go full spreadsheet mode, test your knowledge of CPF housing grants with this #CPFFlashQuiz!
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@CPFBoard · Post #1925 · 06.02.2026 г., 10:01
When life brings new chapters, reviewing and updating your CPF nomination ensures that your CPF savings go to the people you care about, just the way you intended 🩷 Take this #CPFFlashQuiz to test your knowledge on CPF nominations 📝
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@CPFBoard · Post #1915 · 28.01.2026 г., 10:00
Large medical bills can put a strain on your finances, but did you know MediSave can help pay for your health insurance? Take our #CPFFlashQuiz to test your knowledge on your understanding of MediSave!
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@CPFBoard · Post #1890 · 04.01.2026 г., 02:00
It’s National Trivia Day!🧠 Did you know that starting 1 Jan 2026, the Matched Retirement Savings Scheme (MRSS) will be expanded to include Singaporeans with disabilities? Take this #CPFFlashQuiz to learn what MRSS is about!🧐
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@CPFBoard · Post #1869 · 18.12.2025 г., 10:00
Getting your home sweet home? 🏡 Homeownership is just the beginning — and managing your housing loans is the next important step. Try our quick #CPFFlashQuiz to test your knowledge and see how prepared you are!👇
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@CPFBoard · Post #1834 · 11.11.2025 г., 10:00
Wondering how your CPF savings can help with housing? 🔑 Try this #CPFFlashQuiz to find out how your Ordinary Account (OA) can support your housing needs 🏡
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@CPFBoard · Post #1804 · 19.10.2025 г., 10:00
Heard👂some things about MediShield Life and MediSave but not sure if they are just myths? We’ve got you. Here’s a #CPFFlashQuiz to clear things up for you.
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@CPFBoard · Post #1787 · 14.10.2025 г., 02:02
Planning for your home sweet home? 🍰 See how ready you are by taking our #CPFFlashQuiz and boost your confidence in making housing decisions👇
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@CPFBoard · Post #1761 · 23.09.2025 г., 10:01
Unexpected medical expenses can add up over time. Starting your healthcare planning early helps you stay prepared for life’s surprises. Take this #CPFFlashQuiz to test your knowledge and see how much you already know! 🧐
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@CPFBoard · Post #1748 · 12.09.2025 г., 09:59
Ready to smash your financial goals like a pickleball champ? 💥Take on our #CPFFlashQuiz and see if you’ve got the winning edge in saving for the long run.
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