App Engine Documentation Python Standard Environment Documentation google.appengine.ext.blobstore package Summary Blobstore API module. Sub Modules google.appengine.ext.blobstore.blobstore A Python blobstore API used by app developers. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated February 22, 2017.