rfc2217.py 文件源码

def escape(self, data):
        """\
        This generator function is for the user. All outgoing data has to be
        properly escaped, so that no IAC character in the data stream messes up
        the Telnet state machine in the server.

        socket.sendall(escape(data))
        """
        for byte in iterbytes(data):
            if byte == IAC:
                yield IAC
                yield IAC
            else:
                yield byte

    # - incoming data filter