I will describe the basis in python to import xlsx file and how to handle the imported data, in this exemple sales orders is imported. Uploaded file is stored in the variable upload_file and is encoded in base 64, to read it we have to decode first the data by using b64decode function, then save it, for me i chose “/tmp” folder. Result import_data is an array of dictionary as follow [{‘column_name_1’:data_column_1_row_1, ‘column_name_2’:data_column_2_row_1,…},{‘column_name_1’:data_column_1_row_2, ‘column_name_2’:data_column_2_row_2,…},…] Bellow XML view for the importation module.

  This article will help you to add measures in graph view, my exemple is based on sale order model, for all additional computed fields, attribute store must be set to True, otherwise you won’t be able to choose it from the dropdown list measure in graph view. When grouping, you might want to calculate on some fields the average instead of the sum, if so, you need to use group_operator = ‘avg’ directly in your model file, see margin_percent field bellow. Find the view_id of your graph view and inherit from it. then place your new field as measure …