index.html
application.py
<html>
  <head>
    <link rel="stylesheet" href="/static/styles.css" /> 
    <!-- This is our database of messages -->
    <script src="/static/post-store.js"></script>
  
    <script>
      var defaultMessage = "Welcome!<br><br>This is your <i>personal</i>"
        + " stream. You can post anything you want here!";

      var DB = new PostDB(defaultMessage);

      function displayPosts() {
        var containerEl = document.getElementById("post-container");
        containerEl.innerHTML = "";

        var posts = DB.getPosts();
        for (var i=0; i<posts.length; i++) {
          var html = '<table class="message"> <tr> <td valign=top> '
            + '<img src="/static/demos/space_icon.png"> </td> <td valign=top '
            + ' class="message-container"> <div class="shim"></div>';

          html += '<b>You</b>';
          html += '<span class="date">' + new Date(posts[i].date) + '</span>';
          html += "<blockquote>" + posts[i].message + "</blockquote>";
          html += "</td></tr></table>"
          containerEl.innerHTML += html; 
        }
      }

      window.onload = function() { 
        document.getElementById('clear-form').onsubmit = function() {
          DB.clear(function() { displayPosts() });
          return false;
        }

        document.getElementById('post-form').onsubmit = function() {
          var message = document.getElementById('post-content').value;
          DB.save(message, function() { displayPosts() } );
          document.getElementById('post-content').value = "";
          return false;
        }

        displayPosts();
      }

    </script>
  </head>
  <body id="social-demo" onload="displayPosts()">
    <div id="social-header">
      <img src="/static/demos/blathrbox.png" /> 
      <div>Blabber with your friends</div>
      <form action="?" id="clear-form">
        <input class="clear" type="submit" value="Clear all posts">
      </form>
    </div>

    <div id="post-container"></div>

    <table class="message">
      <tr>
        <td valign="top">
          <img src="/static/demos/space_icon.png">
        </td>
        <td class="message-container">
          <div class="shim"></div>
          <form action="?" id="post-form">
            <textarea id="post-content" name="content" rows="2" 
              cols="50"></textarea>
            <input class="share" type="submit" value="Share status!">
            <input type="hidden" name="action" value="sign">
          </form>
        </td>
      </tr>
    </table>
  </body>
</html>

import os
import sys
import re

from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.ext.webapp import template

class MainPage(webapp.RequestHandler):
  def get(self):
    self.response.headers.add_header('Set-Cookie',
                                     'SessionID=123412341234; path=/;')

    path = os.path.join(os.path.dirname(__file__), 'index.html')
    self.response.out.write(template.render(path, {}))

application = webapp.WSGIApplication([ ('.*', MainPage) ], debug=False)

def main():
  run_wsgi_app(application)

if __name__ == '__main__':
  main()