Method pong

src/websockets/sync/connection.py:667–690

Send a Pong_. .. _Pong: https://datatracker.ietf.org/doc/html/rfc6455#section-5.5.3 An unsolicited pong may serve as a unidirectional heartbeat. Args: data: Payload of the pong. A :class:`str` will be encoded to UTF-8. Raises: Conn

(self, data: DataLike = b"")

            return pong_received

    def pong(self, data: DataLike = b"") -> None:
        """
        Send a Pong_.

        .. _Pong: https://datatracker.ietf.org/doc/html/rfc6455#section-5.5.3

        An unsolicited pong may serve as a unidirectional heartbeat.

        Args:
            data: Payload of the pong. A :class:`str` will be encoded to UTF-8.

        Raises:
            ConnectionClosed: When the connection is closed.

        """
        if isinstance(data, BytesLike):
            data = bytes(data)
        elif isinstance(data, str):
            data = data.encode()
        else:
            raise TypeError("data must be str or bytes-like")

        with self.send_context():
            self.protocol.send_pong(data)

    # Private methods