Function run_batch

mainprogress/pdf_metadata_extractor.py:271–291

执行一个批次的滑动窗口扫描

(start_page, end_page_limit)

                break
            windows.append((i, min(i + 3, total_pages)))
            
        if not windows:
            return
            
        tasks = [process_window(s, e) for s, e in windows]
        results = await asyncio.gather(*tasks)
        
        for s, e, t_start, t_end, _ in results:
            if t_start is None: continue
            for p in range(s, e + 1):
                if t_start <= p <= t_end:
                    page_votes[p]["is_toc"] += 1
                else:
                    page_votes[p]["not_toc"] += 1

    def has_toc_in_range(votes_dict, start_p, end_p):
        """检查指定范围内是否有被投票为目录的页"""
        for p in range(start_p, end_p + 1):
            if votes_dict.get(p, {}).get("is_toc", 0) > 0:
                return True
        return False

    # 动态扫描与拓展逻辑
    current_limit = min(20, total_pages)