新手用 Scrapy 写爬虫时,一直提示 URLError: <urlopen error timed out>求大神指导 - V2EX
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cashew
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新手用 Scrapy 写爬虫时,一直提示 URLError: <urlopen error timed out>求大神指导

  •  
  •   cashew 2016-06-22 14:59:07 +08:00 3485 次点击
    这是一个创建于 3401 天前的主题,其中的信息可能已经有所发展或是发生改变。
    URLError: <urlopen error timed out> [boto] ERROR: Unable to read instance data, giving up 

    爬取的是豆瓣图书 Top250 ( https://book.douban.com/top250 ) 一直提示超时。

    但是爬取豆瓣 9 分书单( https://www.douban.com/doulist/1264675/ ) 时就不会有问题。

    两个页面的结构基本一样,代码只是稍微不同,大致是一样的。

    但是在爬取时, Top250 的那个就一直报错, 9 分书单的那个可以正常爬取完成。

    import scrapy from scrapy.contrib.spiders import CrawlSpider from scrapy.http import Request from scrapy.selector import Selector from douban_book.items import DoubanBookItem class Douban(CrawlSpider): name = "dbbook" start_urls = ( 'https://book.douban.com/top250' ) 
    第 1 条附言    2016-06-22 16:31:42 +08:00
    感谢各位的指导。爬虫已可以正常运行。
    谢谢!
    4 条回复    2016-06-22 16:55:51 +08:00
    laozhao0
        1
    laozhao0  
       2016-06-22 15:27:28 +08:00
    add "DOWNLOAD_HANDLERS = {'s3': None, }" to settings.py
    brucedone
        2
    brucedone  
       2016-06-22 15:58:16 +08:00
    记得加上请求头,还有一些其它的参数都要填全
    cashew
        3
    cashew  
    OP
       2016-06-22 16:12:25 +08:00
    @laozhao0
    @brucedone
    请求头已加入。

    File "/home/cashew/Codes/douban_book/douban_book/spiders/dbbook.py", line 37, in parse
    item['bookesInfo'] = booksInfo
    File "/usr/lib/python2.7/dist-packages/scrapy/item.py", line 63, in __setitem__
    (self.__class__.__name__, key))
    KeyError: 'DoubanBookItem does not support field: bookesInfo'

    又报错了。
    laozhao0
        4
    laozhao0  
       2016-06-22 16:55:51 +08:00
    你的 DoubanBookItem 里没有 bookesInfo 字段,但是在 spider 里写了 item['bookesInfo'] = 'xxx' ?
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