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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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#pydantic#libs
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Addis Standard

@addisstandardeng · Post #22133 · 28.04.2026 г., 11:20

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News: Overloaded Isuzu truck carrying dozens atop grain overturns, leaving at least 19 dead in #Amhara region The accident shows the persistent risks associated with the widespread use of cargo trucks for passenger transport in rural Ethiopia, where limited transport options, now exacerbated by chronic fuel shortages across the country, often force residents to travel under dangerous conditions. Many of the victims were residents of the same locality, often traveling together in groups for work between Tsagibji and Ebnat localities. “Yesterday [Sunday] alone, we sent 17 bodies back to one specific area,” the official said, adding that several victims were members of the same families. The Deputy Commander also said the area where the accident occurred has been under the control of Fano fighters for the past three years, preventing authorities from reaching the scene to investigate the cause of the crash. https://addisstandard.com/?p=56655.

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#amhara
Borkena

@borkena · Post #5408 · 30.11.2025 г., 14:16

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In Defense of the Amhara Cause: An Open Letter to Mehdi Hasan. Read more. https://borkena.com/2025/11/29/in-defense-of-the-amhara-cause-an-open-letter-to-mehdi-hasan/@mehdirhasan@AJHeadtoHead#Ethiopia#Amhara

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#ethiopia#amhara
Borkena

@borkena · Post #5772 · 08.02.2026 г., 20:38

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Targeting the Amhara Intelligentsia: Killings, Detentions, and the Legal Threshold of Genocide Under International Law. Read more. https://borkena.com/2026/02/08/ethiopia-targeting-the-amhara-intelligentsia-killings-detentions-and-the-legal-threshold-of-genocide-under-international-law/#Ethiopia#politics#Amhara

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#politics#amhara
Borkena

@borkena · Post #6090 · 29.03.2026 г., 18:09

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Targeted And Forgotten: The Persecution, Displacement, Mass Killing, and Mass Arrest of the Amhara People in Ethiopia . Read more. https://borkena.com/2026/03/29/ethiopia-targeted-and-forgotten-the-persecution-displacement-mass-killing-and-mass-arrest-of-the-amhara-people/#Ethiopia#Amhara#HumanRights

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#amhara#humanrights
Addis Standard

@addisstandardeng · Post #21844 · 26.03.2026 г., 15:19

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#Ethiopia: Federal Police say its forces "seize illegal weapons" intended for "terrorist purposes" after arriving in #Addis_Abeba from #Amhara region Addis Abeba: The Ethiopian Federal Police claimed its forces have “seized illegal weapons”, “intended for terrorist purposes” after the arms allegedly arrived in Addis Abeba “from the Amhara region.” In a statement, the Federal Police said the first seizure occurred at the Legetafo checkpoint, where officers “intercepted a vehicle”. Following what the federal police claimed as a “rigorous inspection,” authorities discovered “eight AK-47 assault rifles, 151 rounds of AK-47 ammunition, 17 rounds of Bren machine gun ammunition, and seven AK-47 magazines concealed inside the vehicle.” “The illegal weapons were being transported for terrorist purposes,” the Federal Police said, adding that the suspects were “detained at the scene.” https://x.com/addisstandard/status/2037186920086733010?s=20

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#ethiopia#addis_abeba#amhara
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