<!DOCTYPE html>    <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="es-ES">  <head> <title>PageRank - Iker Perez de Albeniz - mi propio egolog sobre tecnología y frikadas varias</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" /> <link rel="shortcut icon" href="http://www.ikeralbeniz.net/wp-content/themes/pixelpower/favicon.gif" /> <link rel="apple-touch-icon" href="http://www.ikeralbeniz.net/wp-content/themes/pixelpower/apple-touch-icon.png" /> <link rel="profile" href="http://gmpg.org/xfn/11" /> <link rel="pingback" href="http://www.ikeralbeniz.net/xmlrpc.php" />  <link rel="alternate" type="application/rss+xml" title="Iker Perez de Albeniz » Feed" href="http://www.ikeralbeniz.net/feed/" /> <link rel="alternate" type="application/rss+xml" title="Iker Perez de Albeniz » RSS de los comentarios" href="http://www.ikeralbeniz.net/comments/feed/" /> <link 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content="3.1.3" /> </head> <body class="archive tag tag-pagerank tag-59"> <div id="branding_wrap"> <header id="branding"> <div class="container"> <hgroup class="eight columns"> <h1 id="logo"><a href='http://www.ikeralbeniz.net'><span class='textlogo'>Iker Perez de Albeniz</span></a></h1> <h2 id="site-description">mi propio egolog sobre tecnología y frikadas varias</h2> </hgroup> <nav class="eight columns" id="navigation" role="navigation"> <ul id="menu-menu" class="sf-menu clearfix"><li id="menu-item-677" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-home menu-item-677"><a href="http://www.ikeralbeniz.net/">Inicio</a></li> <li id="menu-item-685" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-685"><a href="http://www.ikeralbeniz.net/portafolio/">Portafolio</a></li> </ul> <select id='navigation-small'><option value='' selected='selected'>Go to...</option><option value='http://www.ikeralbeniz.net/'>Inicio</option><option value='http://www.ikeralbeniz.net/portafolio/'>Portafolio</option></select> </nav> </div> </header> </div> <section id="main"> <div class="container clearfix"> <div id="primary" role="main" class="twelve columns"> <div class="post"><h2 class="entry-title archive-title">PageRank</h2> </div> <article id="post-187" class="post-187 post type-post status-publish format-standard hentry category-noticias tag-google tag-pagerank tag-python clearfix with-entry-wrap"> <div class="entry-wrap"> <header class="entry-header"> <h2 class="entry-title"><a href="http://www.ikeralbeniz.net/2010/03/05/contulta-tu-pagerank-de-google-con-python/" title="Permalink to Consulta tu PageRank de Google con Python" rel="bookmark">Consulta tu PageRank de Google con Python</a></h2> <div class="post-format-icon"></div> <time class="entry-date" datetime="2010-03-05T08:17:49+00:00" pubdate="pubdate" title="marzo 5, 2010"> mar 05 </time> </header> <div class="entry-content"> <p>A todos los que os interese el SEO seguramente habréis consultado alguna vez el <a href="http://www.guia-buscadores.com/posicionamiento/el-pagerank.html">PageRank</a> de vuestra pagina. La forma mas sencilla de obtenerlo es instalando la <a href="http://www.google.com/intl/es/toolbar/ff/index.html">ToolBar de Google</a> en vuestro navegador. Pero seguramente si queréis realizar un seguimiento de vuestra pagina a lo largo del tiempo necesitareis automatizar un proceso que consulte el PageRank. La API de acceso al PageRank de google no es abierta, pero googleando un poco (o con <a href="http://www.wireshark.org/">Wireshark</a>) es posible obtener el modo de consultar este dato. Parece que Google no le interesa que consultemos este dato, por lo que modifica la API bastante a menudo. En este artículo, te muestro una implementación en Python de un cliente para consultar el PageRank de una pagina, usando la API mas actual.</p> <p><pre class="brush: python; title: ; notranslate" title=""><br /> #!/usr/bin/env python<br /> # -*- coding: utf-8 -*-<br /> # GPL (C) 2010 Iker Perez de Albeniz<br /> # ported in Python from the Php code by HM2K (http://www.hm2k.com/projects/pagerank)<br /> # http://www.ikeralbeniz.net/2010/03/05/contulta-tu-pagerank-de-google-con-python/</p> <p>import sys<br /> import urllib</p> <p>from urllib import urlencode<br /> from pprint import pprint</p> <p>def strToNum(Str, Check, Magic):<br /> Int32Unit = 4294967296<br /> length = len(Str);<br /> for i in range(0,length):<br /> Check *= Magic;<br /> if (Check >= Int32Unit):<br /> Check = (Check - Int32Unit * int(Check/Int32Unit))<br /> if Check < -2147483648:<br /> Check = Check + Int32Unit</p> <p> Check += ord(Str[i])<br /> return Check</p> <p>def hashURL(string):<br /> check1 = strToNum(string, 0x1505, 0x21)<br /> check2 = strToNum(string, 0, 0x1003F)</p> <p> check1 >>= 2<br /> check1 = ((check1 >> 4) &#038; 0x3FFFFC0 ) | (check1 &#038; 0x3F)<br /> check1 = ((check1 >> 4) &#038; 0x3FFC00 ) | (check1 &#038; 0x3FF)<br /> check1 = ((check1 >> 4) &#038; 0x3C000 ) | (check1 &#038; 0x3FFF)</p> <p> T1 = ((((check1 &#038; 0x3C0) << 4) | (check1 &#038; 0x3C)) <<2 ) | (check2 &#038; 0xF0F )<br /> T2 = ((((check1 &#038; 0xFFFFC000) << 4) | (check1 &#038; 0x3C00)) << 0xA) | (check2 &#038; 0xF0F0000 )</p> <p> return (T1 | T2);</p> <p>def checkHash(hashnum):<br /> checkByte = 0;<br /> flag = 0;</p> <p> HashStr = '%s' % hashnum<br /> length = len(HashStr)</p> <p> for i in range(0,length):<br /> Re = int(HashStr[(length - 1)-i])<br /> if (1 == (flag % 2)):<br /> Re += Re<br /> Re = int((Re / 10) + (Re % 10))</p> <p> checkByte += int(Re)<br /> flag = flag + 1</p> <p> checkByte %= 10<br /> if (0 != checkByte):<br /> checkByte = 10 - checkByte<br /> if (1 == (flag % 2) ):<br /> if (1 == (checkByte % 2)):<br /> checkByte += 9</p> <p> checkByte >>= 1<br /> return '7%s%s' %(checkByte,HashStr)</p> <p>def getCh(url):<br /> return checkHash(hashURL(url))</p> <p>def main():</p> <p> response = "Error: No URL defined.\nUsage: googrng.py <url> [[proxyuser:proxypass@]proxyhost:poxyport]"<br /> if len(sys.argv) > 1:<br /> myurl = sys.argv[1]<br /> url = "http://toolbarqueries.google.es/search?features=Rank&#038;sourceid=navclient-ff&#038;client=navclient-auto-ff&#038;googleip=O;208.117.235.17;97&#038;iqrn=8VdB&#038;querytime=4P&#038;orig=0X557&#038;swwk=-1&#038;ch=%s&#038;q=info:%s" %(getCh(myurl),urllib.quote_plus(myurl))<br /> if len(sys.argv) > 2:<br /> proxies = {'http': 'http://'+sys.argv[1]}<br /> f = urllib.urlopen(url, proxies=proxies)<br /> else:<br /> f = urllib.urlopen(url)<br /> response = f.read()<br /> f.close()<br /> print response</p> <p>if __name__ == "__main__":<br /> main()<br /> </pre></p> </div> <footer class="entry-meta"> <span class="post-comment-link"><a href="http://www.ikeralbeniz.net/2010/03/05/contulta-tu-pagerank-de-google-con-python/#comments" title="Comentarios en Consulta tu PageRank de Google con Python">1 Response</a></span> <span class="post-tags"><a href="http://www.ikeralbeniz.net/tag/google/" rel="tag">google</a>, <a href="http://www.ikeralbeniz.net/tag/pagerank/" rel="tag">PageRank</a>, <a href="http://www.ikeralbeniz.net/tag/python/" rel="tag">python</a></span> <span class="post-permalink"><a href="http://www.ikeralbeniz.net/2010/03/05/contulta-tu-pagerank-de-google-con-python/" title="Permalink to Consulta tu PageRank de Google con Python" rel="bookmark">Permalink</a></span> </footer> </div> </article> <div class='clear'></div> <div class='post-pagination'>  <a href="#" id="scroll-top" class="right" title='Scroll to top'>Scroll to top</a> </div> </div> <div id="secondary" role="complementary" class="four columns">  <div id="search-2" class="widget widget_search"> <form action="http://www.ikeralbeniz.net/" method="get" 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