How to add fields url for nested output fields in flask restful

Question

I am having difficulty over generating api endpoint urls in nested output fields using [Flask-RESTful][1].

I found that fields.Url(\'my_endpoint\', absolute=Tr

Answer 1

The problem was fields.Url needs a required endpoint parameter, In this case its username.

The parameter username is available to user_fields with the returned user object, but the role object user.role does not contain username attribute.

So I assigned 'usernameattribute touser.role` object before returning it.

user = get_user(username) #Get user object from db
user.role.username = user.username
return user