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Изворен канал @pythonotes · Post #397 · 12 ное.

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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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🇷🇺🇲🇹 Russian Embassy in Malta

@rusembmalta · Post #2190 · 29.09.2025 г., 16:25

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@RusEmbMalta: 🇷🇺Commentary by the Russian Ambassador to Malta Andrey Lopukhov on the "Times of Malta" editorial “A Far More Complex Reality” (published on 29 September 2025 in Times of Malta). 🔗 Read in full here. 🔹 The Minsk Agreements were designed to resolve the issues of Russian-speakers through autonomy within Ukraine. Their failure resulted from Kiev and its Western guarantors refusing to implement them. 🔹 Russian-speaking citizens in Ukraine faced systemic pressure: language and media bans, party closures, and discrimination against the canonical Orthodox Church. 🔹 NATO’s eastward expansion was among the key drivers of the Ukranian crisis and a real strategic risk for Russia’s security. 🔹 Russia is a nation with immense strategic potential, a resilient economy, and a proven efficiency Army. Any plans to “defeat” it are doomed to fail. 🔹 Europe’s future lies either in continuing self-deception and escalation, or in recognizing reality and seeking a genuine balance of interests. #UkrainianCrisis#RussiaMalta

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🇷🇺🇲🇹 Russian Embassy in Malta

@rusembmalta · Post #2174 · 15.09.2025 г., 14:16

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@RusEmbMalta: 🇷🇺 Comment by the Russian Ambassador to Malta, Andrey Lopukhov on the article by Edward Zammit Lewis, Chairperson of the Foreign and European Affairs Parliamentary Standing Committee, Malta, published in Times of Malta. Key points: 🔹 Any “tribunals” or “funds” without UN Security Council mandate are legally null and void. 🔹 Malta’s neutrality cannot mean one-sided support for Ukraine alone. 🔹 Root causes of the crisis: Kiev’s refusal to implement the Minsk agreements, discrimination of Russian speakers, and NATO’s expansionist course. 🔹 Ignoring Kiev’s violations is not neutrality, but bias. 🔹 Confiscation of Russian assets in Europe = violation of the principle of property inviolability. 🔹 History shows: pressure and force against Russia have never worked. 👉 Full text: read #RussiaMalta#RussiaEU#UkraineCrisis#InternationalLaw

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