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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def attach(self, detach_other_clients=False, color_depth=ColorDepth.DEPTH_8_BIT):
 """ Attach client user interface. """

        assert isinstance(detach_other_clients, bool)

        self._send_size()
        self._send_packet({
            'cmd': 'start-gui',
            'detach-others': detach_other_clients,
            'color-depth': color_depth,
            'term': os.environ.get('TERM', ''),
            'data': ''
        })

        with raw_mode(sys.stdin.fileno()):
            data_buffer = b''

            stdin_fd = sys.stdin.fileno()
            socket_fd = self.socket.fileno()
            current_timeout = INPUT_TIMEOUT  # Timeout, used to flush escape sequences.

            try:
                def winch_handler(signum, frame):
                    self._send_size()

                signal.signal(signal.SIGWINCH, winch_handler)
                while True:
                    r = select_fds([stdin_fd, socket_fd], current_timeout)

                    if socket_fd in r:
                        # Received packet from server.
                        data = self.socket.recv(1024)

                        if data == b'':
                            # End of file. Connection closed.
                            # Reset terminal
                            o = Vt100_Output.from_pty(sys.stdout)
                            o.quit_alternate_screen()
                            o.disable_mouse_support()
                            o.disable_bracketed_paste()
                            o.reset_attributes()
                            o.flush()
                            return
                        else:
                            data_buffer += data

                            while b'\0' in data_buffer:
                                pos = data_buffer.index(b'\0')
                                self._process(data_buffer[:pos])
                                data_buffer = data_buffer[pos + 1:]

                    elif stdin_fd in r:
                        # Got user input.
                        self._process_stdin()
                        current_timeout = INPUT_TIMEOUT

                    else:
                        # Timeout. (Tell the server to flush the vt100 Escape.)
                        self._send_packet({'cmd': 'flush-input'})
                        current_timeout = None
            finally:
                signal.signal(signal.SIGWINCH, signal.SIG_IGN)