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https://github.com/grillazz/fastapi-sqlalchemy-asyncpg.git
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27 lines
798 B
Python
27 lines
798 B
Python
from typing import Any
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.ext.declarative import as_declarative, declared_attr
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from fastapi import HTTPException, status
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from icecream import ic
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@as_declarative()
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class Base:
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id: Any
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__name__: str
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# Generate __tablename__ automatically
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@declared_attr
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def __tablename__(cls) -> str:
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return cls.__name__.lower()
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async def save(self, db_session: AsyncSession):
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try:
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db_session.add(self)
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return await db_session.commit()
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except SQLAlchemyError as ex:
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ic("Have to rollback, save failed:")
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ic(ex)
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raise HTTPException(status_code=status.HTTP_422_UNPROCESSABLE_ENTITY, detail=ex.__str__())
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