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POCall Python function (Flask) from JavaScript file (melonJS) game on Facebook
 

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  1. POCall Python function (Flask) from JavaScript file (melonJS) game on Facebook
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    <p>I've looked through many topics on stackoverflow, github, Google and many more... and found many different answers although no simple answer.</p> <p>I'm writing a Facebook game in JavaScript (using melonJS engine). The framework is Flask (Python).</p> <p>What I am trying to do, is to have ability to send data between Python and JS code with no need to refresh the page (like database operations, email sending, etc.). I want the user just to see the game, choose options, play and the game does the rest.</p> <p>While I have managed to see that something like below will work:</p> <p>app.py</p> <pre><code>def add(f,l,a): g.db.execute('insert into persons (fname,lname,age) values (?, ?, ?)', [f,l,a]) g.db.commit() @app.route('/') def index(): cur = g.db.execute('select fname, lname, age from persons order by id desc') entries = [dict(fname=row[0], lname=row[1], age=row[2]) for row in cur.fetchall()] return render_template('app.html',entries=entries,addtodb=add) </code></pre> <p>app.html</p> <pre><code>&lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"&gt; &lt;head&gt; &lt;title&gt;THE GAME&lt;/title&gt; &lt;meta http-equiv="content-type" content="text/html;charset=utf-8" /&gt; &lt;meta name="generator" content="Geany 1.22" /&gt; &lt;script type="text/javascript" src="jquery-1.7.1.min.js"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; var adddb = '{{addtodb('Anne','Monk','12')}}'; &lt;/script&gt; &lt;/head&gt; &lt;body&gt; {{addtodb('Allie','Monk','78')}} &lt;ul class=entries&gt; {% for entry in entries %} &lt;li&gt;&lt;h2&gt;{{ entry.fname }} {{ entry.lname|safe }} &lt;/h2&gt; Age: {{ entry.age }}&lt;/li&gt; {% else %} &lt;li&gt;&lt;em&gt;Unbelievable. No entries here so far&lt;/em&gt;&lt;/li&gt; {% endfor %} &lt;/ul&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>And both the {{addtodb}} will work. I just wonder how to send the function to file.js that will be only linked to the HTML (like jquery above), not put directly inside. The "{{...}}" will not work as I already checked. I suppose I have to find some module to Python or use AJAX maybe, except I have no idea where to start.</p>
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