Limiting access to fields in models

In some cases, we may need more fine-grained access control, and we may also need to limit access to specific fields in a model.

It is possible for a field to be accessible only by specific security groups, using the groups attribute. We will show how to add a field with limited access to the Library Books model.

How to do it...

To add a field with access limited to specific security groups, perform the following steps:

1. Edit the model file to add the field:

private_notes = fields.Text(groups='base.group_system') 

2. Edit the view in the XML file to add the field:

<field name="private_notes" /> 

That's it. Now, upgrade the addon module for the changes in the...