47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
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from sqlalchemy import create_engine
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from sqlalchemy.orm import DeclarativeBase, sessionmaker
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from app.core.config import settings
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# Async engine for FastAPI
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engine = create_async_engine(
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settings.database_url,
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echo=settings.environment == "development",
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pool_size=10,
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max_overflow=20,
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)
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AsyncSessionLocal = 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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# Sync engine for Celery workers (Celery + asyncio don't mix well)
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# Convert async URL to sync: postgresql+asyncpg:// → postgresql+psycopg2://
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sync_url = settings.database_url.replace("postgresql+asyncpg://", "postgresql+psycopg2://")
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sync_engine = create_engine(
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sync_url,
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echo=False,
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pool_size=5,
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max_overflow=10,
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pool_pre_ping=True,
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)
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SyncSessionLocal = sessionmaker(sync_engine, expire_on_commit=False)
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class Base(DeclarativeBase):
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pass
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async def get_db():
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async with AsyncSessionLocal() 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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finally:
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await session.close() |