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from typing import TYPE_CHECKING
from litestar import Litestar
if TYPE_CHECKING:
from litestar.config.app import AppConfig
async def close_db_connection() -> None:
"""Closes the database connection on application shutdown."""
def receive_app_config(app_config: "AppConfig") -> "AppConfig":
"""Receives parameters from the application.
In reality, this would be a library of boilerplate that is carried from one application to another, or a third-party
developed application configuration tool.
"""
app_config.on_shutdown.append(close_db_connection)
return app_config
app = Litestar([], on_app_init=[receive_app_config])
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