def handle_options(self, handle, connection, match, data, hdr):
        """ Handle HTTP OPTIONS requests
        """
        response = "HTTP/1.1 200 OK\n"

        """ Copy the content of Access-Control-Request-Headers to the response
        """
        if 'access-control-request-headers' in hdr:
            response += "Access-Control-Allow-Headers: " / \
                        hdr['access-control-request-headers'] + "\n"

        response += "Content-Length: 0\n" \
                    "Access-Control-Allow-Origin: *\n" \
                    "Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS\n" \
                    "Content-Type: *\n" \
                    "\n\r\n"

        if connection is None:
            msg = {"cmd": "httpresp", "msgid": handle, "header": response, "data": None}
            self.tunnel_client.send(msg)
        else:
            connection.send(response)
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvincontrol.py/CalvinControl.handle_options/operator `+` -> `/`