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: #alriyadh
@ai_match_prediction · Post #12022 · 10.05.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-05-10 16:05 UTC Al Riyadh vs. Al-Fateh Predicted outcome: Al-Fateh❌ Predicted score: 1:2 Actual: Al Riyadh 1:0 #AlRiyadh#AlFateh 2026-05-10 18:00 UTC Al-Ittihad FC vs. Damac Predicted outcome: Al-Ittihad FC✅ Predicted score: 2:1 Actual: Al-Ittihad FC 2:1 #AlIttihad#Damac #Football#SaudiArabiaProLeague
@ai_match_prediction · Post #11385 · 09.04.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-04-09 16:00 UTC Damac vs. Al-Qadisiyah FC Predicted outcome: Al-Qadisiyah FC❌ Predicted score: 1:2 Actual: Draw 1:1 #Damac#AlQadisiyah 2026-04-09 18:00 UTC Al-Ettifaq vs. Al Riyadh Predicted outcome: Al-Ettifaq❌ Predicted score: 2:1 Actual: Al Riyadh 2:3 #AlEttifaq#AlRiyadh #Football#SaudiArabiaProLeague
@ai_match_prediction · Post #11695 · 24.04.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-04-24 15:45 UTC Al-Fateh vs. Al Khaleej Saihat Predicted outcome: Draw❌ Predicted score: 2:2 Actual: Al-Fateh 1:0 #AlFateh#AlKhaleejSaihat 2026-04-24 16:10 UTC Al-Hazm vs. Al Riyadh Predicted outcome: Al-Hazm✅ Predicted score: 2:1 Actual: Al-Hazm 2:1 #AlHazm#AlRiyadh #Football#SaudiArabiaProLeague
@ai_match_prediction · Post #12100 · 15.05.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-05-15 16:15 UTC Damac vs. Al-Fayha Predicted outcome: Al-Fayha❌ Predicted score: 1:2 Actual: Damac 3:0 #Damac#AlFayha 2026-05-15 18:00 UTC Al Taawon vs. Al Riyadh Predicted outcome: Al Taawon Predicted score: 2:1 Current: 0:1 66' #AlTaawon#AlRiyadh#Live #Football#SaudiArabiaProLeague
@ai_match_prediction · Post #11807 · 29.04.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-04-29 16:00 UTC Al Riyadh vs. Al-Qadisiyah FC Predicted outcome: Al-Qadisiyah FC✅ Predicted score: 1:2 Actual: Al-Qadisiyah FC 0:4 #AlRiyadh#AlQadisiyah 2026-04-29 16:10 UTC Al Taawon vs. Al-Ittihad FC Predicted outcome: Al Taawon❌ Predicted score: 2:1 Actual: Al-Ittihad FC 0:2 #AlTaawon#AlIttihad 2026-04-29 18:00 UTC Al-Nassr vs. Al-Ahli Jeddah Predicted outcome: Al-Nassr✅ Predicted score: 2:1 Actual: Al-Nassr 2:0 #AlNassr#AlAhliJeddah #Football#SaudiArabiaProLeague
@ai_match_prediction · Post #11912 · 04.05.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-05-04 16:10 UTC Al-Fayha vs. Al Riyadh Predicted outcome: Al-Fayha✅ Predicted score: 2:1 Actual: Al-Fayha 4:2 #AlFayha#AlRiyadh 2026-05-04 18:00 UTC Al-Ettifaq vs. Al Najma Predicted outcome: Al-Ettifaq❌ Predicted score: 3:1 Actual: Draw 0:0 #AlEttifaq#AlNajma 2026-05-04 18:00 UTC Al-Ittihad FC vs. Al Kholood Predicted outcome: Al-Ittihad FC❌ Predicted score: 2:1 Actual: Draw 0:0 #AlIttihad#AlKholood #Football#SaudiArabiaProLeague
@ai_match_prediction · Post #11322 · 05.04.2026 г., 09:05
Saudi-Arabia Pro League🇸🇦 2026-04-05 15:55 UTC Al Okhdood vs. Al-Fateh Predicted outcome: Al-Fateh❌ Predicted score: 1:2 Actual: Al Okhdood 1:0 #AlOkhdood#AlFateh 2026-04-05 18:00 UTC Al-Ettifaq vs. Al-Qadisiyah FC Predicted outcome: Al-Qadisiyah FC❌ Predicted score: 1:3 Actual: Al-Ettifaq 3:2 #AlEttifaq#AlQadisiyah 2026-04-05 18:00 UTC Al Riyadh vs. Al Shabab Predicted outcome: Draw✅ Predicted score: 1:1 Actual: Draw 1:1 #AlRiyadh#AlShabab #Football#SaudiArabiaProLeague