用Python模拟登录网站
前面简单提到了 Python 模拟登录的程序,但是没写清楚,这里再补上一个带注释的 Python 模拟登录的示例程序。简单说一下流程:先用cookielib获取cookie,再用获取到的cookie,进入需要登录的网站。
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# -*- coding: utf-8 -*- |
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"username" : "nowamagic" ,
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post_data = urllib.urlencode(data)
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"Host" : "www.nowamagic.net" ,
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# 初始化一个CookieJar来处理Cookie |
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cookieJar = cookielib.CookieJar()
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opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookieJar))
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req = urllib2.Request(auth_url,post_data,headers)
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result = opener. open (req)
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result = opener. open (home_url)
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再附带几个示例程序:
1. 使用已有的cookie访问网站
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import cookielib, urllib2
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ckjar = cookielib.MozillaCookieJar(os.path.join( 'C:\Documents and Settings\tom\Application Data\Mozilla\Firefox\Profiles\h5m61j1i.default' , 'cookies.txt' ))
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req = urllib2.Request(url, postdata, header)
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req.add_header( 'User-Agent' , \
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'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)' )
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opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(ckjar) )
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2. 访问网站获得cookie,并把获得的cookie保存在cookie文件中
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import cookielib, urllib2
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req = urllib2.Request(url, postdata, header)
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req.add_header( 'User-Agent' , \
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'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)' )
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ckjar = cookielib.MozillaCookieJar(filename)
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ckproc = urllib2.HTTPCookieProcessor(ckjar)
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opener = urllib2.build_opener(ckproc)
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ckjar.save(ignore_discard = True , ignore_expires = True )
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3. 使用指定的参数生成cookie,并用这个cookie访问网站
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import cookielib, urllib2
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cookiejar = cookielib.CookieJar()
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urlOpener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookiejar))
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values = { 'redirect' :", 'email' : 'abc@abc.com' ,
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'password' : 'password' , 'rememberme' :", 'submit' : 'OK, Let Me In!' }
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data = urllib.urlencode(values)
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request = urllib2.Request(url, data)
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url = urlOpener. open (request)
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request = urllib2.Request(url)
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url = urlOpener. open (request)
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