main.py

import webapp2
import jinja2

import os
import logging

import datetime
from google.appengine.ext import db
from google.appengine.ext.db import Key

JINJA_ENVIRONMENT = jinja2.Environment(loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
    extensions=['jinja2.ext.autoescape'],
    autoescape=True)

class Employee(db.Model):
  name = db.StringProperty(required=True)

class MainHandler(webapp2.RequestHandler):
    def get(self):
      vals = {}
      id = self.request.get('id')
      if id:
        new = Key(id)
        db.get(new)
        self.redirect('/')

      employees = Employee.all()
      vals['employees'] = employees
      
      template = JINJA_ENVIRONMENT.get_template('index.html')
      self.response.write(template.render(vals))

class GreetResponseHandler(webapp2.RequestHandler):
    def post(self):
        vals = {}
        vals['page_title']="Greeting Page Response"
        name = self.request.get('name')
        if name:
          e = Employee(name=name)
          key = e.put()
          self.redirect('/?id=' + str(key))

# for all URLs except alt.html, use MainHandler
application = webapp2.WSGIApplication([ \
  ('/gresponse', GreetResponseHandler),
  ('/.*', MainHandler)
  ],
  debug=True)