def _get_owner(self, group_element):
        user_element = group_element.find('./owner/user')
        if user_element is None:
            return None

        user_reader = UserReader()
        user = user_reader.get_user(user_element)
        return user
    def _get_owner(self, group_element):
        user_element = group_element.find('./owner/user')
        if user_element is None:
            return None

        user_reader = UserReader()
        user = user_reader.get_user(user_element)
        return user
 def _get_users(self, parent, tag):
     users = set()
     user_elements = self._get_child_element(parent, tag)
     if user_elements is not None:
         for user in user_elements.findall('user'):
             user_reader = UserReader()
             user = user_reader.get_user(user)
             users.add(user)
     return users
 def _get_users(self, parent, tag):
     users = set()
     user_elements = self._get_child_element(parent, tag)
     if user_elements is not None:
         for user in user_elements.findall('user'):
             user_reader = UserReader()
             user = user_reader.get_user(user)
             users.add(user)
     return users