# Importing the necessary classes from Google App Engine.
from google.appengine.api import users
from google.appengine.ext import webapp
from google.appengine.ext.webapp.util import run_wsgi_app
class MainPage(webapp.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
welcome = ("Welcome, %s! (Sing out)"
% (user.nickname(), users.create_logout_url('/')))
else:
welcome = ("Sign in or Register"
% users.create_login_url('/'))
self.response.out.write("Web App Title%s"
% welcome)
application = webapp.WSGIApplication(
[('/', MainPage)],
debug = True)
def main():
run_wsgi_app(application)
if __name__ == '__main__':
main()