thirdparty/google_appengine/demos/guestbook/guestbook.py
author Mario Ferraro <fadinlight@gmail.com>
Sun, 15 Nov 2009 22:12:20 +0100
changeset 3093 d1be59b6b627
parent 109 620f9b141567
permissions -rwxr-xr-x
GMaps related JS changed to use new google namespace. Google is going to change permanently in the future the way to load its services, so better stay safe. Also this commit shows uses of the new melange.js module. Fixes Issue 634.
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#!/usr/bin/env python
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#
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# Copyright 2007 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import cgi
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import datetime
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import wsgiref.handlers
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from google.appengine.ext import db
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from google.appengine.api import users
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from google.appengine.ext import webapp
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class Greeting(db.Model):
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  author = db.UserProperty()
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  content = db.StringProperty(multiline=True)
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  date = db.DateTimeProperty(auto_now_add=True)
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class MainPage(webapp.RequestHandler):
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  def get(self):
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    self.response.out.write('<html><body>')
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    greetings = db.GqlQuery("SELECT * "
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                            "FROM Greeting "
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                            "ORDER BY date DESC LIMIT 10")
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    for greeting in greetings:
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      if greeting.author:
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        self.response.out.write('<b>%s</b> wrote:' % greeting.author.nickname())
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      else:
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        self.response.out.write('An anonymous person wrote:')
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      self.response.out.write('<blockquote>%s</blockquote>' %
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                              cgi.escape(greeting.content))
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    self.response.out.write("""
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          <form action="/sign" method="post">
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            <div><textarea name="content" rows="3" cols="60"></textarea></div>
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            <div><input type="submit" value="Sign Guestbook"></div>
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          </form>
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        </body>
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      </html>""")
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class Guestbook(webapp.RequestHandler):
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  def post(self):
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    greeting = Greeting()
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    if users.get_current_user():
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      greeting.author = users.get_current_user()
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    greeting.content = self.request.get('content')
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    greeting.put()
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    self.redirect('/')
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application = webapp.WSGIApplication([
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  ('/', MainPage),
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  ('/sign', Guestbook)
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], debug=True)
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def main():
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  wsgiref.handlers.CGIHandler().run(application)
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if __name__ == '__main__':
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  main()