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34 lines (26 loc) · 906 Bytes
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Copy pathsession.py
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34 lines (26 loc) · 906 Bytes
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from sqlalchemy.ext.asyncio import (
AsyncEngine,
AsyncSession,
async_sessionmaker,
create_async_engine,
)
from python_api.utils.config import get_settings
_engine: AsyncEngine | None = None
_session_factory: async_sessionmaker[AsyncSession] | None = None
def get_engine() -> AsyncEngine:
global _engine
if _engine is None:
settings = get_settings()
_engine = create_async_engine(settings.database_url, echo=False)
return _engine
def get_session_factory() -> async_sessionmaker[AsyncSession]:
global _session_factory
if _session_factory is None:
_session_factory = async_sessionmaker(get_engine(), expire_on_commit=False)
return _session_factory
async def dispose_engine() -> None:
global _engine, _session_factory
if _engine is not None:
await _engine.dispose()
_engine = None
_session_factory = None