fast init

src/template_project/web_api/ioc/connection.py

@@ -0,0 +1,22 @@
+from typing import AsyncIterable
+from dishka import Provider, Scope, provide
+from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, create_async_engine
+
+from template_project.web_api.configuration import DatabaseConfiguration
+
+
+class ConnectionProvider(Provider):
+    @provide(scope=Scope.APP)
+    async def make_engine(self, configuration: DatabaseConfiguration) -> AsyncIterable[AsyncEngine]:
+        engine = create_async_engine(configuration.url.get_value())
+        yield engine
+        await engine.dispose()
+
+    @provide()
+    async def make_connection(self, engine: AsyncEngine) -> AsyncIterable[AsyncSession]:
+        session = AsyncSession(
+            bind=engine,
+            expire_on_commit=True,
+        )
+        async with session:
+            yield session