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Leechael avatar Leechael commented on May 30, 2024
  1. 把 utils.py 中的正则表达式使用 re.compile 提前编译了能提速。
  2. 提取所有文字的 XPath 改为 //body//text() 的话可能算是一个提速点。尝试过通过 XPath 把 iframe / script / style 排除在外,这个可以考虑但没大规模尝试过。
  3. 从 meta 标签提取时间,如果先把 meta 标签全部提取出来,并且改为 Trie based 的 regexp 进行匹配,大概有 60x 的提升:(?:OriginalPublicationDate|Pub(?:Date|lishDate)|_pubtime|a(?:pub:time|rticle(?::published_time|_date_original))|date(?:Published|Update)|og:(?:published_time|release_date|time)|pub(?:date|li(?:cation_date|shdate)|time)|rnews:datePublished|sailthru\\.date|weibo:\\ article:create_at)

from generalnewsextractor.

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