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POPassing Django template variables into javascript in GAE
 

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  1. POPassing Django template variables into javascript in GAE
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    <p>I'm trying to create a wordcloud with the Google's visualization sample:</p> <pre><code>&lt;link rel="stylesheet" type="text/css" href="http://visapi-gadgets.googlecode.com/svn/trunk/wordcloud/wc.css"/&gt; &lt;script type="text/javascript" src="http://visapi-gadgets.googlecode.com/svn/trunk/wordcloud/wc.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://www.google.com/jsapi"&gt;&lt;/script&gt; &lt;div id="wcdiv"&gt;&lt;/div&gt; &lt;script type="text/javascript"&gt; google.load("visualization", "1"); google.setOnLoadCallback(draw); function draw() { var data = new google.visualization.DataTable(); data.addColumn('string', 'Text1'); data.addRows(160); {{datamade}} var outputDiv = document.getElementById('wcdiv'); var wc = new WordCloud(outputDiv); wc.draw(data, null); } &lt;/script&gt; </code></pre> <p>I'm creating {{datamade}} in my main.py file, then passing it as a template variable:</p> <pre><code> tweets1 = [] fetched = urlfetch.fetch("http://api.twitter.com/1/statuses/user_timeline.json?screen_name="+tweets.username+"&amp;count=200") statustext = json.loads(fetched.content) for tweetInfo in statustext: tweets1.append(tweetInfo["text"]) datamake = [] n = 1 for n in range(160): tweet = tweets1[n] datamake.append("data.setCell("+str(n)+", 0, '"+tweet+"');") datamade = '&lt;br&gt;'.join(datamake) content_values = { 'datamade':datamade, 'username':tweets.username, } </code></pre> <p>When I print the {{datamade}}, I see the correct Javascript code. And when I hardcode the values into my statuspage.html, the javascript executes correctly. But when I pass the variable directly into the javascript, the javascript does not execute properly.</p> <p>It my javascript executing prior to the template value is passed? Not sure how to adjust for this. I'd appreciate any advice. </p> <p>Disclaimer: I'm a total newb. </p> <p>Thank you! Jake</p>
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    1. USJake Levine
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    1. COTry using `'datamade': SafeString(datamade)` instead of `'datamade': database`. Django could be escaping your javascript/html, something that using a SafeString would prevent.
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      1. USBlue Peppers
 

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