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.

Bellow code will help to manage many2many fields from model class. (0, 0, { values }) link to a new record that needs to be created with the given values dictionary (1, ID, { values }) update the linked record with id = ID (write values on it) (2, ID) remove and delete the linked record with id = ID (calls unlink on ID, that will delete the object completely, and the link to it as well) (3, ID) cut the link to the linked record with id = ID (delete the relationship between the two objects but does not …