User-Agent
在工作中进行爬虫时,经常会需要提供User-Agent,如果不提供User-Agent,会导致爬虫在请求网页时,请求失败,所以需要大量User-Agent。如何生成合法的User-Agent?
使用fake-useragent库就可以解决该问题。
安装:
pip install fake-useragent
使用:
该模块使用非常简单。
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from fake_useragent import UserAgent
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ua = UserAgent()
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ua.ie
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# Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US);
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ua.msie
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# Mozilla/5.0 (compatible; MSIE 10.0; Macintosh; Intel Mac OS X 10_7_3; Trident/6.0)'
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ua['Internet Explorer']
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# Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB7.4; InfoPath.2; SV1; .NET CLR 3.3.69573; WOW64; en-US)
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ua.opera
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# Opera/9.80 (X11; Linux i686; U; ru) Presto/2.8.131 Version/11.11
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ua.chrome
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# Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.2 (KHTML, like Gecko) Chrome/22.0.1216.0 Safari/537.2'
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ua.google
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# Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/537.13 (KHTML, like Gecko) Chrome/24.0.1290.1 Safari/537.13
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ua['google chrome']
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# Mozilla/5.0 (X11; CrOS i686 2268.111.0) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11
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ua.firefox
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# Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:16.0.1) Gecko/20121011 Firefox/16.0.1
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ua.ff
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# Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:15.0) Gecko/20100101 Firefox/15.0.1
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ua.safari
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# Mozilla/5.0 (iPad; CPU OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5355d Safari/8536.25
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# 最好的,通过真实世界的浏览器使用统计随机
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ua.random