How to use the redfish.ris function in redfish

self.selobj.selectfunction(inputline)
        else:
            try:
                inputline = list()
                selector = self._rdmc.app.get_selector()
                if options.filter:
                    inputline.extend(["--filter", options.filter])
                if options.includelogs:
                    inputline.extend(["--includelogs"])
                if options.path:
                    inputline.extend(["--path", options.path])

                inputline.extend([selector])
                self.selobj.selectfunction(inputline)
            except:
                raise redfish.ris.NothingSelectedSetError

# ****** CLI ERRORS ******
        except cliutils.CommandNotFoundException as excp:
            self.retcode = ReturnCodes.UI_CLI_COMMAND_NOT_FOUND_EXCEPTION
            UI().command_not_found(excp)
            extensions._Commands['HelpCommand'](rdmc=self).run("")
        # ****** RMC/RIS ERRORS ******
        except redfish.ris.UndefinedClientError:
            self.retcode = ReturnCodes.RIS_UNDEFINED_CLIENT_ERROR
            UI().error(u"Please login before making a selection")
        except redfish.ris.InstanceNotFoundError as excp:
            self.retcode = ReturnCodes.RIS_INSTANCE_NOT_FOUND_ERROR
            UI().printmsg(excp)
        except redfish.ris.CurrentlyLoggedInError as excp:
            self.retcode = ReturnCodes.RIS_CURRENTLY_LOGGED_IN_ERROR
            UI().error(excp)
        except redfish.ris.NothingSelectedError as excp:
            self.retcode = ReturnCodes.RIS_NOTHING_SELECTED_ERROR
            UI().nothing_selected()
        except redfish.ris.NothingSelectedSetError as excp:
            self.retcode = ReturnCodes.RIS_NOTHING_SELECTED_SET_ERROR
            UI().nothing_selected_set()
        except redfish.ris.InvalidSelectionError as excp:
            self.retcode = ReturnCodes.RIS_INVALID_SELECTION_ERROR
            UI().error(excp)
        except redfish.ris.rmc_helper.SessionExpired as excp:
            self.retcode = ReturnCodes.RIS_SESSION_EXPIRED
            self.app.logout()
            UI().printmsg(u"Current session has expired or is invalid, "\
                    "please login again with proper credentials to continue.\n")
        # ****** RMC/RIS ERRORS ******
        except redfish.rest.v1.RetriesExhaustedError as excp:
            self.retcode = ReturnCodes.V1_RETRIES_EXHAUSTED_ERROR

self.selobj.selectfunction(inputline)
        else:
            try:
                inputline = list()
                selector = self._rdmc.app.get_selector()
                if options.filter:
                    inputline.extend(["--filter", options.filter])
                if options.includelogs:
                    inputline.extend(["--includelogs"])
                if options.path:
                    inputline.extend(["--path", options.path])

                inputline.extend([selector])
                self.selobj.selectfunction(inputline)
            except:
                raise redfish.ris.NothingSelectedError

        #filename validations and checks
        self.filename = None

        if options.filename and len(options.filename) > 1:
            raise InvalidCommandLineError("Save command doesn't support " \
                    "multiple filenames.")
        elif options.filename:
            self.filename = options.filename[0]
        elif self._rdmc.app.config:
            if self._rdmc.app.config._ac__savefile:
                self.filename = self._rdmc.app.config._ac__savefile

        if not self.filename:
            self.filename = __filename__

UI().command_not_found(excp)
            extensions._Commands['HelpCommand'](rdmc=self).run("")
        # ****** RMC/RIS ERRORS ******
        except redfish.ris.UndefinedClientError:
            self.retcode = ReturnCodes.RIS_UNDEFINED_CLIENT_ERROR
            UI().error(u"Please login before making a selection")
        except redfish.ris.InstanceNotFoundError as excp:
            self.retcode = ReturnCodes.RIS_INSTANCE_NOT_FOUND_ERROR
            UI().printmsg(excp)
        except redfish.ris.CurrentlyLoggedInError as excp:
            self.retcode = ReturnCodes.RIS_CURRENTLY_LOGGED_IN_ERROR
            UI().error(excp)
        except redfish.ris.NothingSelectedError as excp:
            self.retcode = ReturnCodes.RIS_NOTHING_SELECTED_ERROR
            UI().nothing_selected()
        except redfish.ris.NothingSelectedSetError as excp:
            self.retcode = ReturnCodes.RIS_NOTHING_SELECTED_SET_ERROR
            UI().nothing_selected_set()
        except redfish.ris.InvalidSelectionError as excp:
            self.retcode = ReturnCodes.RIS_INVALID_SELECTION_ERROR
            UI().error(excp)
        except redfish.ris.rmc_helper.SessionExpired as excp:
            self.retcode = ReturnCodes.RIS_SESSION_EXPIRED
            self.app.logout()
            UI().printmsg(u"Current session has expired or is invalid, "\
                    "please login again with proper credentials to continue.\n")
        # ****** RMC/RIS ERRORS ******
        except redfish.rest.v1.RetriesExhaustedError as excp:
            self.retcode = ReturnCodes.V1_RETRIES_EXHAUSTED_ERROR
            UI().retries_exhausted_attemps()
        except redfish.rest.v1.InvalidCredentialsError as excp:
            self.retcode = ReturnCodes.V1_INVALID_CREDENTIALS_ERROR