App Engine Template using Jinja2 template engine

main.py

#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import webapp2
import jinja2

root_dir = os.path.dirname(__file__)
search_paths = [os.path.join(root_dir, 'templates')]
env = jinja2.Environment(loader=jinja2.FileSystemLoader(search_paths))


class MainHandler(webapp2.RequestHandler):
    def get(self):
        template = env.get_template('main.html')
        content = template.render({})
        self.response.write(content)


routes = [webapp2.Route(r'/', MainHandler, name='main')]

app = webapp2.WSGIApplication(routes, debug=True)