Method data_to_send

src/websockets/protocol.py:497–515

Obtain data to send to the network. Call this method immediately after any of the ``receive_*()``, ``send_*()``, or :meth:`fail` methods. Write resulting data to the connection. The empty bytestring :data:`~websockets.protocol.SEND_EOF` signals the

(self)

    # Public method for getting outgoing data after receiving data or sending events.

    def data_to_send(self) -> list[bytes]:
        """
        Obtain data to send to the network.

        Call this method immediately after any of the ``receive_*()``,
        ``send_*()``, or :meth:`fail` methods.

        Write resulting data to the connection.

        The empty bytestring :data:`~websockets.protocol.SEND_EOF` signals
        the end of the data stream. When you receive it, half-close the TCP
        connection.

        Returns:
            Data to write to the connection.

        """
        writes, self.writes = self.writes, []
        return writes

    def close_expected(self) -> bool:
        """