20 lines
633 B
Python
20 lines
633 B
Python
from sqlalchemy import event
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from sqlalchemy.ext.asyncio import AsyncEngine, async_sessionmaker, create_async_engine
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def create_engine(database_url: str) -> AsyncEngine:
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engine = create_async_engine(database_url, echo=False)
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@event.listens_for(engine.sync_engine, "connect")
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def _set_sqlite_pragma(dbapi_conn, _record) -> None:
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cursor = dbapi_conn.cursor()
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cursor.execute("PRAGMA journal_mode=WAL")
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cursor.execute("PRAGMA synchronous=NORMAL")
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cursor.close()
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return engine
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def create_session_factory(engine: AsyncEngine) -> async_sessionmaker:
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return async_sessionmaker(engine, expire_on_commit=False)
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