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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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EdgeMarket.AI 📣

@edgemarketai · Post #7992 · 21.02.2026 г., 09:36

Most systems try to predict outcomes. EdgeMarket focuses on something more fundamental: structure. Our AI ingests real-world events — political decisions, cultural moments, sports fixtures, institutional deadlines — and turns them into time-aware signals. Not opinions. Not hype. Just structured context that shows where pressure is building and when it matters. That’s how uncertainty becomes understandable. Explore how EdgeMarket uses AI as infrastructure, not guesswork 👉https://edgemarket.ai #AI#DecisionIntelligence#EdgeMarket#SignalsOverNoise

EdgeMarket.AI 📣

@edgemarketai · Post #8001 · 22.02.2026 г., 10:52

Will BTS’ March album pre-orders exceed 6,000,000 by Feb 28? At this scale, outcomes don’t appear suddenly — they form through visible signals long before confirmation. EdgeMarket tracks how expectations converge. Hashtags: #BTS#MarketSignals#DecisionIntelligence#EdgeMarket#DataDriven#CulturalTrends

EdgeMarket.AI 📣

@edgemarketai · Post #7991 · 20.02.2026 г., 10:35

High-profile matches expose more than skill — they reveal system dynamics. For Nottingham Forest vs Liverpool, EdgeMarket analyzes scenario formation: • Momentum vs control • Tactical flexibility • Fatigue and recovery cycles • Pressure response under crowd intensity Rather than framing outcomes as binary, we focus on how probabilities evolve before and during the match. Sport is one of the clearest real-world laboratories for decision intelligence. #DecisionIntelligence#SportsAnalytics#PremierLeague#EdgeMarket#SystemsThinking#OutcomeAnalysis

EdgeMarket.AI 📣

@edgemarketai · Post #8026 · 10.03.2026 г., 08:20

Geopolitical questions rarely move markets when they become obvious. They move when probability starts shifting before formal signals appear. That is why prediction systems matter. Not because they claim certainty, but because they surface how conviction changes while narratives are still forming. At EdgeMarket, we study how distributed judgement reacts to emerging geopolitical scenarios long before consensus hardens. The important signal is rarely the headline itself. It is how probability changes before the headline arrives. #EdgeMarket#PredictionMarkets#Geopolitics#AI#MarketIntelligence#Decentralization#GlobalRisk#DecisionIntelligence

EdgeMarket.AI 📣

@edgemarketai · Post #8009 · 27.02.2026 г., 12:43

Markets move on signals. Reality moves on decisions. A single announcement could reshape geopolitics, energy prices, defense markets, and global risk appetite. The question isn’t what you think it’s what happens next. EdgeMarket tracks real-world outcomes, not opinions. Will a Ukraine peace deal be announced by February 28? #Geopolitics#GlobalRisk#PredictionMarkets#DecisionIntelligence#Ukraine#USPolitics#EdgeMarket#FutureSignals#Macro