docs: def _get_timestamp_cached(dirname_full, remove):
      """
      Get the timestamp from the cache or fill the cache
      Much quicker than reading the same files over and over
      """
      if dirname_full not in TIMESTAMP_CACHE:
          mtime = _get_timestamp(dirname_full, remove)
          TIMESTAMP_CACHE[dirname_full] = mtime
      return TIMESTAMP_CACHE[dirname_full]