Table of Contents

Overview What is Google App Engine? Google App Engine and cloud computing End-user apps on the cloud SOA on the cloud Google App Engine and the cloud What you’ll need to know Set your development environment up The local development web server Hello, World! Summary Exploring the SDK Your first complete project The Python run-time and your project Templates WSGI Supported frameworks Event handlers The debug log Using the Datastore Publishing to the Web Summary Using Web Application Frameworks webapp Django Static files Handling forms Beautify your user interface: CSS Adding JavaScript Django templates Summary Working with Images The Image API and its support infrastructure Image properties and application assets Image manipulation Adding images to your application Summary The Datastore How does it work? Data modeling API Distributed, non-relational database GQL vs. SQL The Datastore API Data representation: entities and models Manipulating entities Creation Deletion Updates Entity groups and keys Using queries Restrictions on queries Indexing Automatic App-based and index.yaml Transactions Relationship to entities and entity groups Restrictions and caveats Memcache, datastore, and caching policies Summary How About Users? Authentication via Google Accounts Using login URLs User objects and the datastore User management limitations and caveats Summary Communication With Other Applications Fetching data from HTTP or HTTPS URIs Sending and receiving email Daisychaining Summary The Admin Console App creation and setup Traffic analytics and logs Datastore management Version control and deployment Teamdevelopment Summary Appendix

About the Author

Eugene Ciurana is an open-source evangelist who specializes in the design and implementation of mission-critical, high-availability large scale systems. As director of systems infrastructure for LeapFrog Enterprises, he and his team designed and built a 100% SOA-based system that enables millions of Internet-ready educational handheld products and services. In 2006, Eugene led the official adoption of Linux and other open-source technologies at Walmart Stores Information Systems Division as chief liaison between Walmart.com Global and the ISD Technology Council. He is known as pr3d4t0r in the java, #awk, and #appengine channels of the Freenode IRC network. Eugene has contributed to several Java, Linux, and OS X open-source projects and has architected main line of business applications and real-time systems for the largest companies in the world, including Walmart, Bank One/Chase, National Oilwell Varco, Bank of America, Credit Suisse, Nortel Networks, Sun Microsystems, IBM, Univex/Celanese, and Nexis/Lexis. He's the author of over 50 feature articles and editorials for major publications in the United States, Mexico, and Europe, while his work has been featured in such publications as eWeek, CIO Magazine, InfoWorld, DZone, EE Times, Nikkei IT, Software Guru, and TheServerSide.com. Eugene is the best-selling technology and fiction author of such books as Developing with the Google App Engine; Best Of Breed: Building High Quality Systems, Within Budget, On Time, and Without Nonsense; and The Tesla Testament: A Thriller. Eugene's web site: http://eugeneciurana.com Eugene's blog: http://eugeneciurana.com/blog