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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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Red Nile

@rednile12 · Post #10846 · 22.01.2026 г., 17:40

🇪🇹 Nile Negotiations: Ethiopia’s Sovereignty Is Not on the Table Thank you, #SolomonMarkos🙏 🔗[email protected] https://m.facebook.com/story.php?story_fbid=pfbid0pFtuSJfcDvSUqkmGvpY7GDHkoarhXcsZE28sdRHRdnWdzkEuGffbN293GWF15mDel&id=1120295988&sfnsn=mo&mibextid=RUbZ1f Your intervention in the #RedNile comments is principled, direct, and unapologetically Ethiopian. It articulates what many externally driven “mediation” efforts try to obscure: Ethiopia’s sovereignty and national interests are not negotiable. At the heart of your position is a clear red line: “#Ethiopia Never Ever Compromise Its #Sovereignty and #National#Interests.” This must be the starting point of any discussion on the Nile—not the outcome. 🧠 Why This Position Is Strategically Strong 🔹Sovereignty first, not last Ethiopia is a rights-holder, not a “risk factor.” Any process that treats Ethiopia as a problem to be managed is illegitimate from the outset. 🔹Colonial treaties are null Insisting on the CFA framework restores African legal continuity and rejects agreements imposed when Ethiopia was excluded. 🔹No monopoly mediation Including the AU, Russia, China, and regional actors prevents Nile negotiations from being captured by a single power acting in Egypt’s favor. 🔹Development is non-negotiable Abay waters are tied to electricity, agriculture, and industrialization. Ethiopia retains the sovereign right to build future dams beyond GERD. 🔹The real issue is mismanagement, not scarcity Egypt’s irrigation of water-intensive crops reframes the crisis as one of policy waste, not upstream injustice. 🔹Responsible, not submissive Humanitarian flexibility during droughts projects cooperation without surrendering control—a smart counter to propaganda. 🔹GERD is Ethiopian-owned Fully domestically funded, GERD is insulated from donor leverage and external coercion. ⚠️ Tactical Challenges (Not Principle Flaws) ▪️ A 50%+ water share must be framed carefully using hydrology, population, and contribution data to avoid diplomatic deadlock. ▪️ Multiple mediators require clear role definitions to avoid paralysis. ▪️ A Nile-wide enforcement body will face resistance—but that resistance exposes the real imbalance in the system. These are communication and strategy issues, not weaknesses in Ethiopia’s position. 🔴 RedNile Media Position: The Only Legitimate Basis for Negotiation Any Nile process that claims legitimacy must be grounded in the following: 1️⃣Balanced mediation – No US monopoly 2️⃣All riparians included – The Nile belongs to all its peoples 3️⃣CFA only – Colonial treaties are invalid 4️⃣Ethiopia’s fair share – Not less than 50%+, with full rights to future development If a binding framework is ever discussed, it must also include: ▪️ A Nile Water Management Commission overseeing all dams and diversions—including Egypt’s Toshka Canal ▪️ Formal acknowledgment of Egypt’s excessive water use and export-oriented irrigation practices ♦️Bottom line: Ethiopia is not negotiating permission to exist, develop, or light its cities. The Nile question is about justice, sovereignty, and post-colonial reality—not appeasement. 🇪🇹💧 — RedNile Media🌊🧭 📡@rednile12 Geopolitics | Multipolarity | Sovereignty | Strategic Reality #GERD#NileDispute#GazaPeace#TrumpSisi