scrapy:为什么有些 Crawled (200)的没有 Scraped 下来 - V2EX
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dylanhu
V2EX    Python

scrapy:为什么有些 Crawled (200)的没有 Scraped 下来

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  •   dylanhu 2019-04-02 22:28:43 +08:00 8068 次点击
    这是一个创建于 2386 天前的主题,其中的信息可能已经有所发展或是发生改变。

    最近用 scrapy 框架做爬虫,前几天的数据一直都没问题,这几天爬取的数据明显减少了;应该不是代码的原因,看了下日志,有些 URL 没有抓下来,怎么回事?

    2019-04-01 00:00:03 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://www.yellowpages.com/search?search_terms=Tires&geo_location_terms=Dundalk%2C+MD&page=4> (referer: https://www.yellowpages.com/search?search_terms=Tires&geo_location_terms=Dundalk%2C+MD) 2019-04-01 00:00:06 [scrapy.core.engine] DEBUG: Crawled (200) <GET https://www.yellowpages.com/search?search_terms=Tires&geo_location_terms=Dundalk%2C+MD&page=3> (referer: https://www.yellowpages.com/search?search_terms=Tires&geo_location_terms=Dundalk%2C+MD) 2019-04-01 00:00:06 [scrapy.core.scraper] DEBUG: Scraped from <200 https://www.yellowpages.com/search?search_terms=Tires&geo_location_terms=Dundalk%2C+MD&page=3> 

    如上,page=3 的就 scraped 下来了,而 page=4 的这个只是 crawled 了并没有 scraped,这是为什么,存在好多这样的情况。

    2 条回复    2019-04-07 22:50:53 +08:00
    dylanhu
        1
    dylanhu  
    OP
       2019-04-02 23:00:24 +08:00
    重点是前几天没什么这种情况,这两天开始数据少了很多
    huyu
        2
    huyu  
       2019-04-07 22:50:53 +08:00 via Android
    @dylanhu 你可以试着打印 response.text 看看什么内容!
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