app.yaml

# boilerplate server config for app engine
# from darktable aka Calvin Rein
# http://forrst.com/posts/Host_a_Static_HTML_Site_on_Google_App_Engine-BlA

# this is going here: https://github.com/paulirish/html5-boilerplate-server-configs/

application: your-app-name-here
version: 1 
runtime: python
api_version: 1

default_expiration: "30d"

handlers:
- url: /apple-touch-icon\.png
  mime_type: image/png
  static_files: static/img/logo.png
  upload: static/img/logo.png

- url: /favicon\.ico
  mime_type: image/png
  static_files: static/img/sm_logo.png
  upload: static/img/sm_logo.png

- url: /(robots\.txt|crossdomain\.xml)
  static_files: static/\1
  upload: static/(robots\.txt|crossdomain\.xml)

- url: /img/(.*\.(gif|png|jpg))
  static_files: static/img/\1
  upload: static/img/(.*\.(gif|png|jpg))
  
- url: /swf/(.*\.swf)
  static_files: static/swf/\1
  upload: static/swf/(.*\.swf)

- url: /css/(.*\.css)
  mime_type: text/css
  static_files: static/css/\1
  upload: static/css/(.*\.css)

- url: /js/(.*\.js)
  mime_type: text/javascript
  static_files: static/js/\1
  upload: static/js/(.*\.js)

- url: /(.*\.html)
  mime_type: text/html
  static_files: static/\1
  upload: static/(.*\.html)

- url: /.*
  script: index.py

index.py

from google.appengine.ext import webapp
from google.appengine.ext.webapp import util

class IndexHandler(webapp.RequestHandler):
    def get(self):
        if self.request.url.ends('/'):
            path = '%sindex.html'%self.request.url
        else:
            path = '%s/index.html'%self.request.url

        self.redirect(path)

    def post(self):
        self.get()

def main():
    application = webapp.WSGIApplication([('/.*', IndexHandler)],
                                         debug=False)
    util.run_wsgi_app(application)

if __name__ == '__main__':
    main()