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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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AI & Law

@ai_and_law · Post #428 · 25.10.2024 г., 07:04

NYDFS Issues Guidance on AI-Related Cybersecurity Risks The New York Department of Financial Services (NYDFS) released guidance highlighting the rising cybersecurity risks associated with the use of artificial intelligence by its licensees, including insurers and virtual currency businesses. The guidance focuses on threats such as AI-enabled social engineering, where deepfakes and other AI tools are used to obtain sensitive information and bypass biometric security measures. It also addresses the growing concern over AI-enhanced cyberattacks that increase the potency, scale, and speed of threats, as well as the risk of exposure or theft of vast amounts of nonpublic data. The guidance emphasizes the critical need for organizations to integrate AI-specific considerations into their existing risk assessments, third-party vendor management, and data management practices. While the NYDFS guidance is aimed at businesses under its regulation, the outlined risks and mitigation strategies are applicable to any organization navigating the complexities of AI-related cybersecurity. With the proliferation of AI technology, businesses must prioritize not only the protection of personally identifiable information but also safeguard confidential business information like trade secrets, which can have a more significant impact if compromised. The guidance reinforces the importance of robust due diligence when working with third-party vendors that use or provide AI solutions, as well as the necessity of maintaining effective data inventory and minimization practices. #Cybersecurity#AICompliance#NYDFS#RiskManagement#AIRegulation