Exporting orders to CSV files

Sometimes, you might want to export the information contained in a model to a file so that you can import it in another system. One of the most widely used formats to export/import data is comma-separated values (CSV). A CSV file is a plain text file consisting of a number of records. There is usually one record per line and some delimiter character, usually a literal comma, separating the record fields. You are going to customize the administration site to be able to export orders to CSV files.

Adding custom actions to the administration site

Django offers a wide range of options to customize the administration site. You are going to modify the object list view to include a custom administration action. You can implement custom administration actions to allow staff users to apply actions to multiple elements at once in the change list view.

An administration action works as follows: a user selects objects from the administration object...