init

app/infrastructure/db/sqlalchemy/session.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+import os
+
+from sqlalchemy.ext.asyncio import (
+    AsyncEngine,
+    AsyncSession,
+    async_sessionmaker,
+    create_async_engine,
+)
+
+DATABASE_URL = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///./app.db")
+
+_engine: AsyncEngine = create_async_engine(DATABASE_URL, echo=False, future=True)
+_sessionmaker: async_sessionmaker[AsyncSession] = async_sessionmaker(
+    bind=_engine, expire_on_commit=False
+)
+
+
+def get_engine() -> AsyncEngine:
+    return _engine
+
+
+def get_sessionmaker() -> async_sessionmaker[AsyncSession]:
+    return _sessionmaker