How to use the redfish.rest.v1 function in redfish

:param typepath: path to be used for client.
        :type typepath: str.
        :param biospassword: BIOS password for the server if set.
        :type biospassword: str.
        :param is_redfish: If True, a Redfish specific header (OData) will be
            added to every request.
        :type is_redfish: boolean.

        """
        if is_redfish:
            self._rest_client = redfish.rest.v1.redfish_client(base_url=url, \
                           username=username, password=password, \
                           sessionkey=sessionkey, biospassword=biospassword, \
                           is_redfish=is_redfish)
        else:
            self._rest_client = redfish.rest.v1.rest_client(base_url=url, \
                            username=username, password=password, \
                            sessionkey=sessionkey, biospassword=biospassword, \
                            is_redfish=is_redfish)

        self.typepath = typepath
        self._get_cache = dict()
        self._monolith = RisMonolith(self)
        self._selector = None
        self._filter_attr = None
        self._filter_value = None

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
            UI().invalid_credentials(excp)
        except redfish.rest.v1.ServerDownOrUnreachableError as excp:
            self.retcode = \
                    ReturnCodes.V1_SERVER_DOWN_OR_UNREACHABLE_ERROR
            UI().error(excp)
        except redfish.ris.rmc_helper.InvalidPathError as excp:
            self.retcode = ReturnCodes.RIS_REF_PATH_NOT_FOUND_ERROR
            UI().printmsg(u"Reference path not found.")
        # ****** GENERAL ERRORS ******
        except SystemExit:
            self.retcode = ReturnCodes.GENERAL_ERROR
            raise
        except Exception as excp:
            self.retcode = ReturnCodes.GENERAL_ERROR
            sys.stderr.write(u'ERROR: %s\n' % excp)

            if self.opts.debug:
                traceback.print_exc(file=sys.stderr)

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
            UI().invalid_credentials(excp)
        except redfish.rest.v1.ServerDownOrUnreachableError as excp:
            self.retcode = \
                    ReturnCodes.V1_SERVER_DOWN_OR_UNREACHABLE_ERROR
            UI().error(excp)
        except redfish.ris.rmc_helper.InvalidPathError as excp:
            self.retcode = ReturnCodes.RIS_REF_PATH_NOT_FOUND_ERROR
            UI().printmsg(u"Reference path not found.")
        # ****** GENERAL ERRORS ******
        except SystemExit:
            self.retcode = ReturnCodes.GENERAL_ERROR
            raise