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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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#pydantic #libs

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Пронајдени 12 слични објави

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@tsukassadrive · Post #2764 · 24.06.2025 г., 20:02

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#textpost ESCAPISTS ONLY

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@tsukassadrive · Post #1941 · 05.08.2024 г., 07:46

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#textpost going through some shit rn, but that doesn't mean I have to stop posting...

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@tsukassadrive · Post #2972 · 14.12.2025 г., 06:09

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#textpost#y2k Pro Tip: Instead of looking for an music with a "y2k aesthetic", just listen to a music from 2000s. HUGE time saver.

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@tsukassadrive · Post #2711 · 02.05.2025 г., 00:48

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#textpost#random "dreams become real, and what once was real become a dream"

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#textpost #random

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@tsukassadrive · Post #1989 · 12.08.2024 г., 14:29

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#random#textpost Pentagon - Collapse (ICO Ost)

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@tsukassadrive · Post #2781 · 31.07.2025 г., 23:15

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#textpost#random#weebshit CICORU DONMAI! CICORU DONMAI!

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#textpost #random #weebshit

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@tsukassadrive · Post #1626 · 20.05.2024 г., 07:42

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#random#textpost#meme#original I heard you is a doomer, nigga. The world cherishes you, nigga. The world is still when you out of hustle and bustle of the human discourse, nigga. This stillness is boundless, nigga. This stillness makes life worth living, nigga. The world is indeed filled with despair and pain, nigga, but as to counter it, the world is filled with the wonder you can't even imagine, nigga. But don't go filtering out your ordinary life for them life's highs and lows, nigga. Just as you read this text, in this most ordinary moment, you don't experience any of your life's problems, nigga. You have time to read this pasta on the internet, nigga, so don't give in to your thought-autopilot and regain control of your life that is right now, nigga, not in the not-yet existing future or the past that only was, nigga.

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#random #textpost #meme #original

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@tsukassadrive · Post #1891 · 29.07.2024 г., 10:58

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#random#music#textpost#upload

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#random #music #textpost #upload

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@tsukassadrive · Post #1559 · 01.05.2024 г., 07:45

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#random#textpost#music#upload source When I close my eyes, it's a fantasy Perfect plastic life from a magazine Then, when I wake up, it's reality (pretty girls) I can have it all (yeah), live my цикорiй dreams (Kaliii)

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Desi Memes Funny Jokes

@DESI_MEMES_Funny_Jokes · Post #5894 · 29.11.2024 г., 09:04

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Dost ko v Lana chahiye tha 🌚 . . . . Tags-#quotesdaily#quote#quotestagram#quotesaboutlife#quoteoftheday#quotes#ａｅｓｔｈｅｔｉｃ#fypage#fypシ#explore#explorepage#relatabletextpost#relatablequotes#relatable#textpost#thoughtoftheday#thoughts#funnyquotes#funny#trending#bollywoodsongs#bollywood#feed#relatableshit#lovemoments💕#meandher#meandhim❤️#mostloved#manifesting

Desi Memes Funny Jokes

@DESI_MEMES_Funny_Jokes · Post #5888 · 28.11.2024 г., 16:45

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Chaliye swarg se ghum kr aate h 😂🤡 . . . . Tags-#quotesdaily#quote#quotestagram#quotesaboutlife#quoteoftheday#quotes#ａｅｓｔｈｅｔｉｃ#fypage#fypシ#explore#explorepage#relatabletextpost#relatablequotes#relatable#textpost#thoughtoftheday#thoughts#funnyquotes#funny#trending#bollywoodsongs#bollywood#feed#relatableshit#lovemoments💕#meandher#meandhim❤️#mostloved#manifesting

Desi Memes Funny Jokes

@DESI_MEMES_Funny_Jokes · Post #5543 · 24.10.2024 г., 13:23

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Bolo n chup kahe ho 😆✊🏻 . . . . Tags-#quotesdaily#quote#quotestagram#quotesaboutlife#quoteoftheday#quotes#ａｅｓｔｈｅｔｉｃ#fypage#fypシ#explore#explorepage#relatabletextpost#relatablequotes#relatable#textpost#thoughtoftheday#thoughts#funnyquotes#funny#trending#bollywoodsongs#bollywood#feed#relatableshit#lovemoments💕#meandher#meandhim❤️#mostloved#manifesting