''

def update_quota(self, quota_info, error=None):

    if ((not quota_info) or (quota_info['errno'] != 0)):
        return
    used = quota_info['used']
    total = quota_info['total']
    used_size = util.get_human_size(used)[0]
    total_size = util.get_human_size(total)[0]
    self.capicity_label.set_text('{0}    /    {1}'.format(used_size, total_size))
    self.progressbar.set_fraction((used / total))
