You might also want to take a look at TwistedAE: http://code.google.com/p/twistedae/ -Nick Johnson
On Thu, Sep 24, 2009 at 10:20 AM, Barry Hunter <barrybhun...@googlemail.com>wrote: > > There already is: > http://arachnid.github.com/bdbdatastore/ > which uses BDB as the backend db. > > > > On 24/09/2009, Charlie <schmi...@gmail.com> wrote: > > > > I recently had to port one of my applications, which makes heavy use > > of the Data Store API, to run outside AppEngine. A client needed the > > ability to install the application on their own internal web servers > > (Apache+mod_wsgi). Thankfully I wasn't using any GQL, so I was able > > to write a very simple drop-in replacement for the > > google.appengine.ext.db module. I replaced memcache with a null API > > that just returns None for everything, eventually I'll have the client > > install memcached and link in a real API. These modifications allowed > > me to deploy the application to an Apache server with almost zero > > changes to the application's code base. In fact the only changes were > > the import statements, (from myapp_wsgi.lib import db) which selects > > either my standalone db module or google's based on a config file. > > > > The AppEngine SDK obviously includes a free standing db module, but > > without fully understanding the code base I wasn't willing to deploy > > it in a production environment. However, the simplicity of replacing > > the ext.db API (or at least a subset of it) got me thinking about > > writing a back-end for Amazon's S3, and running my app on EC2. I > > could also imagine back-ends that tie into a relational database such > > as MySQL (though I'm not immediately sure of the utility there). I > > like developing on AppEngine, but I would like it even more if I could > > easily move my applications from AppEngine to a client's server to EC2 > > and back without major refactoring. Managing servers sucks, which > > makes App Engine amazingly simple, but sometimes you need more > > flexibility. > > > > Are there any existing libraries that allow one to use the Data Store > > API without being tied to AppEngine? Does anyone see utility in such a > > library? I'm not thinking of an abstraction layer, more a drop in > > replacement for the API. The App Engine SDK is released under the > > Apache License so I don't see any immediate legal issues, but perhaps > > I'm missing something? > > > > > > > > > -- Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: 368047 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
