Using security groups to activate features
Security groups can restrict some features so that they can only be accessed by users that belong to these groups. Security groups can also inherit other groups, so they also grant their permissions.
These two features are used to implement a usability feature in Odoo: feature toggling. Security groups can also be used to enable or disable features for some or all the users in an Odoo instance.
This recipe shows how to add options to configuration settings and showcases the two methods you can use to enable additional features: making them visible using security groups or adding them by installing an additional module.
For the first case, we will make the book-release dates an optional additional feature and for the second, as an example, we will provide an option for installing the Notes module.
Getting ready
This recipe uses the my_library module, which was described in Chapter 3, Creating Odoo Add-On Modules. We will need...