46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
"""Database configuration and session management"""
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
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from sqlalchemy.orm import declarative_base
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from app.config import settings
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# Create async engine
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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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future=True
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)
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# Create async session factory
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async_session_maker = 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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# Alias for compatibility
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AsyncSessionLocal = async_session_maker
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# Base class for models
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Base = declarative_base()
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async def get_db() -> AsyncSession:
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"""Dependency for getting database session"""
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async with async_session_maker() 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()
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async def init_db():
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"""Initialize database tables"""
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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