backends/counter/demo_frontend.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2011 Google Inc. All Rights Reserved.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 # vim: set ts=4 sw=4 et tw=79:
  17 """The sample frontend that was shown in the backends talk."""
  18
  19 from google.appengine.api import backends
  20 from google.appengine.api import urlfetch
  21
  22 url = '%s/backend/counter/inc' % (
  23         backends.get_url('counter'))
  24
  25 count = urlfetch.fetch(url, method='POST',
  26                        payload='name=visitor&delta=1').content
  27
  28 print 'Content-Type: text/plain'
  29 print ''
  30 print 'Welcome visitor %s' % count