code: def get_queue(self):
          
          queue = []
          for i in range(0, self.index):
              unit = self.unit_raw[i]
              c = CDM(unit)
              # 过滤
              if c.get_alpha() > 0 and c.PTN in range(self.title_min, self.title_max):
                  queue.append(unit)
  
          if queue == []:
              pass
          else:
              log('debug', '\n获取标题候选队列成功：【{}】\n'.format(queue))
  
          return queue
docs: 获取新闻标题候选队列
  
          Return:
          queue               -- 新闻标题候选队列，list类型