31 lines
724 B
Python
31 lines
724 B
Python
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from sqlalchemy.orm import DeclarativeBase
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from app.core.config import settings
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class Base(DeclarativeBase):
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pass
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_engine = None
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_session_factory = None
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def get_engine():
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global _engine
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if _engine is None:
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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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)
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return _engine
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async def get_db() -> AsyncSession:
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global _session_factory
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if _session_factory is None:
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_session_factory = async_sessionmaker(get_engine(), expire_on_commit=False)
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async with _session_factory() as session:
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yield session
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