docs: def update_role(role,**kwargs):
      """
          Update the role.
          Used to add permissions and users to a role.
      """
      #check_perm(kwargs.get('user_id'), 'edit_role')
      try:
          role_i = db.DBSession.query(Role).filter(Role.id==role.id).one()
          role_i.name = role.name
          role_i.code = role.code
      except NoResultFound:
          raise ResourceNotFoundError("Role (role_id=%s) does not exist"%(role.id))
  
      for perm in role.permissions:
          _get_perm(perm.id)
          roleperm_i = RolePerm(role_id=role.id,
                                perm_id=perm.id
                                )
  
          db.DBSession.add(roleperm_i)
  
      for user in role.users:
          _get_user(user.id)
          roleuser_i = RoleUser(user_id=user.id,
                                           perm_id=perm.id
                                          )
  
          db.DBSession.add(roleuser_i)
  
      db.DBSession.flush()
      return role_i