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POPython CGI Script (using XML & mindom) returns unexpected results
 

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  1. POPython CGI Script (using XML & mindom) returns unexpected results
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    <p>I am trying to parse the XML returned by search engine APIs (Bing, Yahoo &amp; Blekko). The returned XML (for sample search query 'sushi') from Blekko takes the form:</p> <pre><code>&lt;rss version="2.0"&gt; &lt;channel&gt; &lt;title&gt;blekko | rss for &amp;quot;sushi/rss /ps=100&amp;quot;&lt;/title&gt; &lt;link&gt;http://blekko.com/?q=sushi%2Frss+%2Fps%3D100&lt;/link&gt; &lt;description&gt;Blekko search for &amp;quot;sushi/rss /ps=100&amp;quot;&lt;/description&gt; &lt;language&gt;en-us&lt;/language&gt; &lt;copyright&gt;Copyright 2011 Blekko, Inc.&lt;/copyright&gt; &lt;docs&gt;http://cyber.law.harvard.edu/rss/rss.html&lt;/docs&gt; &lt;webMaster&gt;webmaster@blekko.com&lt;/webMaster&gt; &lt;rescount&gt;3M&lt;/rescount&gt; &lt;item&gt; &lt;title&gt;Sushi - Wikipedia&lt;/title&gt; &lt;link&gt;http://en.wikipedia.org/wiki/Sushi&lt;/link&gt; &lt;guid&gt;http://en.wikipedia.org/wiki/Sushi&lt;/guid&gt; &lt;description&gt;Article about sushi, a food made of vinegared rice combined with various toppings or fillings. Sushi ( &amp;#x3059;&amp;#x3057;&amp;#x3001;&amp;#x5bff;&amp;#x53f8;, &amp;#x9ba8;, &amp;#x9b93;, &amp;#x5bff;&amp;#x6597;, &amp;#x5bff;&amp;#x3057;, &amp;#x58fd;&amp;#x53f8;.&lt;/description&gt; &lt;/item&gt; &lt;/channel&gt; &lt;/rss&gt; </code></pre> <p>The section of python code to extract the required search result data is:</p> <pre><code>for counter in range(100): try: for item in BlekkoSearchResultsXML.getElementsByTagName('item'): Blekko_PageTitle = item.getElementsByTagName('title')[counter].toxml(encoding="utf-8") Blekko_PageDesc = item.getElementsByTagName('description')[counter].toxml(encoding="utf-8") Blekko_DisplayURL = item.getElementsByTagName('guid')[counter].toxml(encoding="utf-8") Blekko_URL = item.getElementsByTagName('link')[counter].toxml(encoding="utf-8") print "&lt;h2&gt;" + Blekko_PageTitle + "&lt;/h2&gt;&lt;br /&gt;" print Blekko_PageDesc + "&lt;br /&gt;" print Blekko_DisplayURL + "&lt;br /&gt;" print Blekko_URL + "&lt;br /&gt;" except IndexError: break </code></pre> <p>The code will not extract the Page Title of each search result returned, but does extract the rest of the info. </p> <p>Furthermore, if I do not have the code:</p> <pre><code>print "&lt;title&gt;Page title to appear on browser tab&lt;/title&gt;" </code></pre> <p>somewhere in the script, the title from the first search result is taken as the page title (i.e. the page appears with the title 'Sushi - Wikipedia' in the browser). If I do have a page title, the code still does not extract the page title from the search result.</p> <p>The same code (with different tag names etc.) has the same problem with the Yahoo search API, but works fine with the Bing search API.</p>
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