Method _do_enter

src/websockets/asyncio/async_timeout.py:256–260

(self)

            self._timeout_handler = self._loop.call_at(deadline, self._on_timeout)

    def _do_enter(self) -> None:
        if self._state != _State.INIT:
            raise RuntimeError(f"invalid state {self._state.value}")
        self._state = _State.ENTER
        self._reschedule()

    def _do_exit(self, exc_type: Optional[Type[BaseException]]) -> None:
        if exc_type is asyncio.CancelledError and self._state == _State.TIMEOUT: