TGINSIGHT SIMILAR POSTS
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: #animals
@googlefactss · Post #40792 · 14.03.2026 г., 07:00
Rabbits can see behind themselves without moving their heads due to their laterally placed eyes. Their only, small blind spot is directly in front of their nose. @googlefactss#animals
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@googlefactss · Post #40547 · 16.01.2026 г., 23:01
The scientific name for "coyote" is canis latrans, which literally means "barking dog", a fitting description for its wide variety of yips, howls, and barks used for communication, with the name coming from the Aztec word for the animal. @googlefactss#animals
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@googlefactss · Post #40082 · 13.11.2025 г., 20:50
Female elephants stay with the same herd their entire lives. Males only remain with the herd until they are 12 to 15 years old. The Male elephants then either join a "bachelor" herd or they live alone only rejoining the females during mating season. @googlefactss#animals
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@googlefactss · Post #39956 · 27.10.2025 г., 14:20
A zebra's teeth grow continuously throughout its lifetime, offsetting the wear of constant grazing. @googlefactss#animals
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@googlefactss · Post #39898 · 03.10.2025 г., 11:12
The world’s largest bat is the giant golden-crowned flying fox, a rare fruit bat. It has a wingspan of 5 to 6 feet (1.5 to 1.8 m). @googlefactss#animals
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@profile_pictures_tm · Post #16014 · 15.09.2023 г., 14:50
#Animals❤
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@profile_pictures_tm · Post #15228 · 18.07.2023 г., 18:01
#Animals❤
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@profile_pictures_tm · Post #14334 · 04.05.2023 г., 19:25
#Animals
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@profile_pictures_tm · Post #12335 · 03.12.2022 г., 20:08
#Animals
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@ekologuzenglish · Post #11860 · 09.03.2026 г., 15:02
#Animals Animals help each other too, and sometimes they do it more sincerely than humans. In nature, there are many amazing examples of cooperation: birds warn their flock about danger, dolphins support injured companions, elephants protect their calves, and some animals share food with those who are weak. This invisible bond of support and care is part of the harmony of nature. In the wild, survival often depends on cooperation and strong social connections. By observing animals, we learn a simple truth: the world is sustained not only by strength, but also by compassion, trust, and mutual help. 🐾🌿☘️Read the latest environmental news on the @ekologuz page. Follow us and send your suggestions and wishes via @eklguz_bot Instagram | Facebook | Twitter | Sayt | Youtube.
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@profile_pictures_tm · Post #11131 · 27.09.2022 г., 05:50
#Animals
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@dailychannels · Post #6553 · 19.12.2025 г., 01:00
Channel: Dangerous Earth Members: ~5.44K 💢 Username: @dangerousground Description: Craters, volcanoes, avalanches, brutal animal scenes, deadly attacks by predators and many other strange displays of the forces of nature and its inhabitants. Buy ads: https://telega.io/c/dangerousground 🏷 Tags: #animals https://telegramchannels.me/channels/dangerousground
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