Getting Started with Google Apps
Jump to navigation
Jump to search
Links
- http://googleappengine.blogspot.com/
- Prospective Search API
- Testbed
- http://code.google.com/appengine/docs/python/tools/uploadinganapp.html
- http://code.google.com/appengine/docs/whatisgoogleappengine.html
- Getting Started - Python
YAML
builtins: - datastore_admin: on
Hello World
helloworld.py
#------------------------------------------------------------------------------- import os import cgi import sys from google.appengine.api import users from google.appengine.ext import webapp from google.appengine.ext import db from google.appengine.ext.webapp import template from google.appengine.ext.webapp.util import run_wsgi_app #------------------------------------------------------------------------------- class Greeting(db.Model): author = db.UserProperty() content = db.StringProperty(multiline=True) date = db.DateTimeProperty(auto_now_add=True) #------------------------------------------------------------------------------- class MainPage(webapp.RequestHandler): def get(self): greetings_query = Greeting.all().order('-date') greetings = greetings_query.fetch(10) if users.get_current_user(): url = users.create_logout_url(self.request.uri) url_linktext = 'Logout' else: url = users.create_login_url(self.request.uri) url_linktext = 'Login' template_values = { 'greetings': greetings, 'url': url, 'url_linktext': url_linktext, } sys.stderr.write("[%s]\n" % template_values) path = os.path.join(os.path.dirname(__file__), 'html', 'index.html') sys.stderr.write("[%s]\n" % path) self.response.out.write(template.render(path, template_values)) #------------------------------------------------------------------------------- class Guestbook(webapp.RequestHandler): def post(self): greeting = Greeting() if users.get_current_user(): greeting.author = users.get_current_user() greeting.content = self.request.get('content') greeting.put() self.redirect('/') #------------------------------------------------------------------------------- application = webapp.WSGIApplication( [('/', MainPage), ('/sign', Guestbook)], debug=True) #------------------------------------------------------------------------------- def main(): run_wsgi_app(application) #------------------------------------------------------------------------------- if __name__ == "__main__": main() #-------------------------------------------------------------------------------
app.yaml
application: helloworld version: 1 runtime: python api_version: 1 handlers: - url: /css static_dir: css - url: /.* script: helloworld.py
index.html
<html> <head> <link type="text/css" rel="stylesheet" href="/css/main.css" /> </head> <body> <div class="one"> <div class="two"> {% for greeting in greetings %} {% if greeting.author %} <b>{{ greeting.author.nickname }}</b> wrote: {% else %} An anonymous person wrote: {% endif %} <blockquote>{{ greeting.content|escape }}</blockquote> {% endfor %} <form action="/sign" method="post"> <div><textarea name="content" rows="3" cols="60"></textarea></div> <div><input type="submit" value="Sign Guestbook"></div> </form> </div> <div class="three"> <a href="{{ url }}">{{ url_linktext }}</a> </div> </div> </body> </html>
main.css
body { font-family: Verdana, Helvetica, sans-serif; background-color: #DDDDDD; } .one { background-color: #BBBBBB; } .two { background-color: #CCCCCC; } .three { background-color: #AAAAAA; }