from fastapi.routing import APIRoute
from starlette import routing


def post_process_router(app) -> None:
    """
    Simplify operation IDs so that generated API clients have simpler function
    names.

    Should be called only after all routes have been added.
    """
    for route in app.routes:
        if isinstance(route, APIRoute):
            if hasattr(route, "operation_id"):
                route.operation_id = route.name  # in this case, 'read_items'