39 lines
784 B
Python
39 lines
784 B
Python
from collections.abc import AsyncGenerator
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from sqlalchemy.ext.asyncio import (
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AsyncSession,
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async_sessionmaker,
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create_async_engine,
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)
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from sqlalchemy.orm import DeclarativeBase
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from app.config import get_settings
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settings = get_settings()
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engine = create_async_engine(
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settings.database_url,
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echo=settings.debug,
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pool_pre_ping=True,
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)
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async_session_factory = async_sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False,
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)
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class Base(DeclarativeBase):
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pass
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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async with async_session_factory() as session:
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try:
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yield session
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await session.commit()
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except Exception:
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await session.rollback()
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raise
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