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[Python] scrapy采集数据时为每个请求随机分配user-agent →→→→→
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来自 , 2019-06-16, 写在 Python, 查看 109 次.
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DOWNLOADER_MIDDLEWARES
=
{
'scraper.random_user_agent.RandomUserAgentMiddleware'
:
400
,
'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware'
:
None
,
}
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DOWNLOADER_MIDDLEWARES = { 'scraper.random_user_agent.RandomUserAgentMiddleware': 400, 'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware': None, }
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