Method append_nest_to_list

Lib/tomllib/_parser.py:288–297

(self, key: Key)

        return cont  # type: ignore[no-any-return]

    def append_nest_to_list(self, key: Key) -> None:
        cont = self.get_or_create_nest(key[:-1])
        last_key = key[-1]
        if last_key in cont:
            list_ = cont[last_key]
            if not isinstance(list_, list):
                raise KeyError("An object other than list found behind this key")
            list_.append({})
        else:
            cont[last_key] = [{}]


class Output: