Switch to aiosqlite

app/database.py

@@ -1,12 +1,14 @@
 import datetime
 from typing import Any
-from typing import Generator
+from typing import AsyncGenerator
 
 from sqlalchemy import create_engine
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy.ext.asyncio import create_async_engine
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import Session
 from sqlalchemy.orm import sessionmaker
 
+from app.config import DB_PATH
 from app.config import SQLALCHEMY_DATABASE_URL
 
 engine = create_engine(
@@ -14,6 +16,10 @@ engine = create_engine(
 )
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
 
+DATABASE_URL = f"sqlite+aiosqlite:///{DB_PATH}"
+async_engine = create_async_engine(DATABASE_URL, future=True, echo=False)
+async_session = sessionmaker(async_engine, class_=AsyncSession, expire_on_commit=False)
+
 Base: Any = declarative_base()
 
 
@@ -21,9 +27,6 @@ def now() -> datetime.datetime:
     return datetime.datetime.now(datetime.timezone.utc)
 
 
-def get_db() -> Generator[Session, None, None]:
-    db = SessionLocal()
-    try:
-        yield db
-    finally:
-        db.close()
+async def get_db_session() -> AsyncGenerator[AsyncSession, None]:
+    async with async_session() as session:
+        yield session