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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: #retroflix
@PrivateTrackerNews · Post #433 · 12.05.2019 г., 18:01
2019.5.13 #开放注册 #OpenSignups #国外PT #整理自电报PT资讯频道 @privatetrackernews #RetroFlix #Classic#Movies#TV#General 经典 电影 电视 综合站 https://retroflix.club/signup.php Hi guys. RetroFlix is a private tracker that specializes in classic movies. We have some great movies, easy going mods. All we ask is that you help out and SEED. Check us out.
@PrivateTrackerNews · Post #362 · 27.04.2019 г., 04:10
2019.4.27 #开放注册 #国外PT #Open Signup Trackers #RetroFlix #Classic#Movies#TV#General 经典 电影 电视 综合站 https://retroflix.club/signup.php #Carpathians #General#Ratioless#Hungarian 综合站 不计分享率 匈牙利 https://mycarpathians.net/signup.php 往期开放注册 有些是一直开放的 右上角搜索 关键词 开放注册 感谢jipeng的建议，已加标签
@PrivateTrackerNews · Post #525 · 26.05.2019 г., 18:55
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