text: # Copyright 2016 Google Inc. All rights reserved.
  #
  # 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.
  
  """
  Sample application that demonstrates getting information about this
  AppEngine modules and accessing other modules in the same project.
  """
  
  import urllib2
  # [START modules_import]
  from google.appengine.api import modules
  # [END modules_import]
  import webapp2
  
  
  class GetModuleInfoHandler(webapp2.RequestHandler):
      def get(self):
          # [START module_info]
          module = modules.get_current_module_name()
          instance_id = modules.get_current_instance_id()
          self.response.write(
              'module_id={}&instance_id={}'.format(module, instance_id))
          # [END module_info]
  
  
  class GetBackendHandler(webapp2.RequestHandler):
      def get(self):
          # [START access_another_module]
          backend_hostname = modules.get_hostname(module='my-backend')
          url = "http://{}/".format(backend_hostname)
          try:
              result = urllib2.urlopen(url).read()
              self.response.write('Got response {}'.format(result))
          except urllib2.URLError:
              pass
          # [END access_another_module]
  
  
  app = webapp2.WSGIApplication([
      ('/', GetModuleInfoHandler),
      ('/access_backend', GetBackendHandler),
  ], debug=True)
  