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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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BadVolf

@badvolfnews · Post #1155 · 24.10.2023 г., 08:01

FALSE FLAG INCOMING: As Zionist officials claim #Hamas aka Palestinian Resistance were "carrying instructions on how to make chemical weapons " - @FoxNews interview son of "Hamas founder" Moses Hasan Yousef who was a spy for Zionist intelligence 1997 - 2007 before being given US residency. Yousef even betrayed his own father to Zionists. During Fox interview, Yousef recommends gassing Gaza tunnels to eliminate Hamas. He uses "we" which suggests he is still a traitor to Palestinian people & working with or for Zionists. Shin Bet considered him its most valuable source within the Hamas leadership. The information Yousef supplied exposed numerous Hamas cells, and assisted Israel in hunting down many militants, and incarcerating his own father, Hamas leader Sheikh Hassan Yousef. Yousef told Fox News' Brian Kilmeade that Israel should explore using gas after evacuating civilians in Gaza. "It sounds horrible, but I don’t see any other option. The tunnels are interconnected, and gas could be one of the solutions. But this has to be in the right time.." He recommends civilians are evacuated which means forced to leave their land for 3rd time to #Sinai. He then recommends using gas in tunnels to eliminate Resistance factions. However looking at the ridiculous claim Hamas + chemical weapons. What are the chances that a #WhiteHelmet style event will be orchestrated by Zionists - gassing civilians & blaming Hamas while exterminating more "human animals". Zionists know a ground invasion is suicide so this type of operation is viable alternative. Very high risk imo.