Static files are not available to your application; if you need to serve them both as static files and read them as application files, you'll need to include 2 copies in your project (ideally using symlinks, so you don't actually have to maintain an actual copy.) http://stackoverflow.com/questions/16700191/printing-files-in-google-app-engine?rq=1 build an mane example using this... http://stackoverflow.com/questions/2630205/read-a-file-on-app-engine-with-python -->serve a file http://stackoverflow.com/questions/4816601/file-read-on-appengine-returns-junk-characters -->serve an image