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country.py
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country.py
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import cgi
import urllib
import webapp2
import random
from google.appengine.ext import db
from google.appengine.api import users
import jinja2
import os
jinja_environment = jinja2.Environment(
loader=jinja2.FileSystemLoader(os.path.dirname(__file__)))
class Country(db.Model):
index = db.FloatProperty()
name = db.StringProperty()
capital = db.StringProperty()
continent = db.StringProperty()
class MainPage(webapp2.RequestHandler):
def get(self):
# Try and read a country from a parameter
country_param = self.request.get('c')
if country_param == "":
rand_num = random.random()
country = Country.all().order('index').filter('index >=', rand_num).get()
if country is None:
country = Country.all().order('index').get()
else:
country = Country.all().filter('name =', country_param).get()
if country is None:
country = Country.all().order('index').get()
template_values = {
'country': country
}
template = jinja_environment.get_template('country.html')
self.response.out.write(template.render(template_values))
def post(self):
# Check if the country is already there before adding a new one
country = Country.all().filter('name =', self.request.get('country')).get()
if country is None:
country = Country()
country.index = random.random()
country.name = self.request.get('country')
country.capital = self.request.get('capital')
country.continent = self.request.get('continent')
country.put()
template = jinja_environment.get_template('country.html')
self.response.out.write(template.render({'country': country}))
class Atlas(webapp2.RequestHandler):
def post(self):
country = Country()
country.index = random.random()
country.name = self.request.get('country')
country.capital = self.request.get('capital')
country.continent = self.request.get('continent')
country.put()
self.redirect('/')
app = webapp2.WSGIApplication([
('/', MainPage),
('/add', Atlas)
])