Using gae-sessions with optional AppStats and without appengine_config.py

main.py

# define your own values for app-specific settings like debug, url_mappings, ...

from google.appengine.ext import webapp
from gaesessions import SessionMiddleware 
app = webapp.WSGIApplication(url_mappings, debug=debug)
app = SessionMiddleware(app, COOKIE_KEY)

if USE_APP_STATS:
    from google.appenginSessionMiddlewareort recording
    app = recording.appstats_wsgi_middleware(app)

def main(): run_wsgi_app(app)
if __name__ == '__main__': main()