Class ScriptInfo

src/quart/cli.py:232–276

class ScriptInfo:
    def __init__(
        self,
        app_import_path: str | None = None,
        create_app: Callable[..., Quart] | None = None,
        set_debug_flag: bool = True,
    ) -> None:
        self.app_import_path = app_import_path
        self.create_app = create_app
        self.data: dict[Any, Any] = {}
        self.set_debug_flag = set_debug_flag
        self._loaded_app: Quart | None = None

    def load_app(self) -> Quart:
        if self._loaded_app is not None:
            return self._loaded_app

        if self.create_app is not None:
            app = self.create_app()
        else:
            if self.app_import_path:
                path, name = (
                    re.split(r":(?![\\/])", self.app_import_path, maxsplit=1) + [None]
                )[:2]
                import_name = prepare_import(path)
                app = locate_app(import_name, name)
            else:
                import_name = prepare_import("app.py")
                app = locate_app(import_name, None)

        if not app:
            raise NoAppException(
                "Could not locate a Quart application. Use the"
                " 'quart --app' option, 'QUART_APP' environment"
                " variable, or an 'app.py' file in the"
                " current directory."
            )

        if self.set_debug_flag:
            # Update the app's debug flag through the descriptor so that
            # other values repopulate as well.
            app.debug = get_debug_flag()

        self._loaded_app = app
        return app


pass_script_info = click.make_pass_decorator(ScriptInfo, ensure=True)