@Lash_gif · Post #50592 · 30.05.2025 г., 10:43
#love
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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
Пребарај: #love
@Lash_gif · Post #50592 · 30.05.2025 г., 10:43
#love
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@ekologuzenglish · Post #11894 · 13.03.2026 г., 01:04
#Love A touching moment that reminds us about compassion. A mother crab was playing peacefully with her little baby near the water when suddenly a man grabbed the tiny crab from her claws. In desperation, the mother stayed nearby as if begging him to return her child. And when he finally did, she immediately pulled the baby close, holding it tightly as if afraid to lose it again. Even crabs have love for their children. Love does not depend on species, language, or size. Sometimes animals remind us of the simplest truth: every living being deserves care, respect, and the chance to live in peace. 🦀❤️☘️Read the latest environmental news on the @ekologuz page. Follow us and send your suggestions and wishes via @eklguz_bot Instagram | Facebook | Twitter | Sayt | Youtube.
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@hijab · Post #10796 · 27.06.2024 г., 18:06
🩷☁️🧁 @HiJAB#love
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@Inspiringthoughts · Post #10473 · 08.02.2025 г., 10:38
When we feel #love and kindness toward others, it not only makes others feel loved and cared for, but it helps us also to develop inner happiness and peace. The practice of compassion and kindness is what brings us true happiness, both for ourselves and for those around us. -Dalai Lama 🌼💫❣
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@hijab · Post #10373 · 19.05.2024 г., 09:06
my forever love🤍 @HiJAB#love
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@hijab · Post #10274 · 07.05.2024 г., 18:01
When you're genuinely happy, your perspective on things becomes different. @HiJAB#love
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@hijab · Post #10128 · 29.04.2024 г., 19:27
You don’t have to figure out your life all at once.Take your time. Enjoy the process.🤍 @HiJAB#love
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@hijab · Post #10110 · 27.04.2024 г., 08:30
🤍✨ @HiJAB#love
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@hijab · Post #9984 · 14.04.2024 г., 19:54
🤍🌸 @HiJAB#love
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@hijab · Post #9858 · 03.04.2024 г., 07:58
His love knows no limits.🕋🤍 @HiJAB#love
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@hijab · Post #9706 · 20.03.2024 г., 03:34
Happy birthday to my little angel 🤍 @HiJAB#love
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@hijab · Post #9658 · 14.03.2024 г., 15:55
thankful🤍 @HiJAB#love
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