Method send_binary

src/websockets/protocol.py:341–362

Send a `Binary frame`_. .. _Binary frame: https://datatracker.ietf.org/doc/html/rfc6455#section-5.6 Parameters: data: payload containing arbitrary binary data. fin: FIN bit; set it to :obj:`False` if this is the first frame of

(self, data: BytesLike, fin: bool = True)

        self.send_frame(Frame(OP_TEXT, data, fin))

    def send_binary(self, data: BytesLike, fin: bool = True) -> None:
        """
        Send a `Binary frame`_.

        .. _Binary frame:
            https://datatracker.ietf.org/doc/html/rfc6455#section-5.6

        Parameters:
            data: payload containing arbitrary binary data.
            fin: FIN bit; set it to :obj:`False` if this is the first frame of
                a fragmented message.

        Raises:
            ProtocolError: If a fragmented message is in progress.

        """
        if self.expect_continuation_frame:
            raise ProtocolError("expected a continuation frame")
        if self._state is not OPEN:
            raise InvalidState(f"connection is {self.state.name.lower()}")
        self.expect_continuation_frame = not fin
        self.send_frame(Frame(OP_BINARY, data, fin))

    def send_close(self, code: CloseCode | int | None = None, reason: str = "") -> None:
        """