sheet_load

    @classmethod
    def load(cls, sheet):
        '''Return configuration in dict-list like:'''
        config_list = []
        for row in range(3, sheet.max_row+1):
            row_str = str(row)
            for col in range(ord('A'), ord('I')):
                col_str = chr(col)
                if(sheet[col_str + row_str].value):
            # if (sheet['A'+row_str].value and
            #         sheet['B'+row_str].value and
            #         sheet['C'+row_str].value and
            #         sheet['D'+row_str].value and
            #         sheet['E'+row_str].value and
            #         sheet['F'+row_str].value and
            #         sheet['G'+row_str].value):
                polling_config = {
                    'endPoint': {
                        'host': sheet["A"+row_str].value,
                        'port': sheet["B"+row_str].value
                    },
                    'pollingPeriodMS': sheet["C"+row_str].value,
                    'requestTimeoutMS':sheet["D"+row_str].value,
                    'equipments': [{
                        'id': sheet["E"+row_str].value,
                        'templateId': sheet["F"+row_str].value,
                        'equipmentId': sheet["G"+row_str].value,
                        'equipmentName':sheet["H"+row_str].value
                    }]
                }

                row += 1

                for equ_row in range(row, sheet.max_row+1):
                    equ_row_str = str(equ_row)
                    if (sheet['A'+equ_row_str].value or
                            sheet['B'+equ_row_str].value or
                            sheet['C'+equ_row_str].value or
                            sheet['D'+equ_row_str].value):
                        break

                        equipment = {
                         'id': sheet["E"+equ_row_str].value,
                         'templateId':sheet["F"+equ_row_str].value,
                         'equipmentId':sheet["G"+equ_row_str].value,
                         'equipmentName':sheet["H"+equ_row_str].value
                        }
                    polling_config["equipments"].append(equipment)
                    row += 1
               config_list.append(polling_config)
            else:
                # TODO log warning here
                continue
          return config_list

```
like

polling_config = {
                    'endPoint': {
                        'host': sheet["A"+row_str].value,
                        'port': sheet["B"+row_str].value
                    },
                    'pollingPeriodMS': sheet["C"+row_str].value,
                    'requestTimeoutMS': sheet["D"+row_str].value,
                    'equipments': [{
                        'id': sheet["E"+row_str].value,
                        'templateId': sheet["F"+row_str].value,
                        'equipmentId': sheet["G"+row_str].value,
                        'equipmentName': sheet["H"+row_str].value
                    },
					{
                        'id': sheet["E"+row_str].value,
                        'templateId': sheet["F"+row_str].value,
                        'equipmentId': sheet["G"+row_str].value,
                        'equipmentName': sheet["H"+row_str].value
                    },
					{
                        'id': sheet["E"+row_str].value,
                        'templateId': sheet["F"+row_str].value,
                        'equipmentId': sheet["G"+row_str].value,
                        'equipmentName': sheet["H"+row_str].value
                    }]
                }

```