Flask authorization

flask_auth.py

def login_required(role="ANY"):
    def wrapper(fn):
        @wraps(fn)
        def decorated_view(*args, **kwargs):

            if not current_user.is_authenticated():
                 return current_app.login_manager.unauthorized()

            urole = current_user.get_role()
            if ( (urole != role) and (role != "ANY")):
                    logout_user()
                    return current_app.login_manager.unauthorized()    
            return fn(*args, **kwargs)   
        return decorated_view
    return wrapper
    
@app.route('/school/')
@login_required(role="SCHOOL")
def restricted_view_for_school():
    pass