sharedy_simple.py

import os
import re
import cgi
import datetime
import wsgiref.handlers
from django.utils import simplejson
from google.appengine.ext import db
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template

url_replace = re.compile('(?P<t>http:\/\/[-\w+&@#\/%?=~_|!:,.;]*[-\w+&@#\/%=~_|])')
class Share(db.Model):
    """Share Model."""
    message = db.StringProperty(multiline=True)
    time = db.DateTimeProperty(auto_now_add=True)
    ip = db.StringProperty()

    @property
    def message_html(self):
       """Linkify the message for display"""
       return url_replace.sub(r'<a target="_blank" href="\g<t>">\g<t></a>', self.message)

class IndexPage(webapp.RequestHandler):
    """The Main Page Handler"""
    def get(self):
        d = {}
        #Make the call to the db to get the last 15 shares for display
        d['shares'] = db.GqlQuery("SELECT * "
                            "FROM Share "
                            "ORDER BY time DESC LIMIT 15")
        path = os.path.join(os.path.dirname(__file__), 'templates', 'index.html')
        self.response.out.write(template.render(path,d))

class PostShare(webapp.RequestHandler):
    """Handles the Post."""
    def post(self):
        share = Share()
        share.message = self.request.get('message')
        share.ip = self.request.remote_addr
        share.put()
        self.response.out.write('')

application = webapp.WSGIApplication([
  ('/', IndexPage),
  ('/ajax', PostShare)
], debug=True)

def main():
    wsgiref.handlers.CGIHandler().run(application)

if __name__ == '__main__':
    main()