Hi everyone,
Thanks for the response so far--we'll be getting back to you over the next
few days.
I'd like to point out an existing feature which will be helpful to many of
you: --dump and --restore. This will download or upload all of
the entities for a particular Kind and save them in a local sqlite database.
It's useful for general backup (e.g. a weekly backup), and also useful for
moving data across applications, such as between your app running on the
dev_appserver and on App Engine, or to load a staging instance with a known
set of test data.

You can find more information here:
http://code.google.com/appengine/docs/python/tools/uploadingdata.html#Downloading_and_Uploading_All_Data

Also, for Java developers, there is a remote API handler available; adding
following to your web xml file should work (disclaimer: I have not yet
personally tested this.)

<servlet>
  <servlet-name>remoteapi</servlet-name>
  
<servlet-class>com.google.apphosting.utils.remoteapi.RemoteApiServlet</servlet-class>
</servlet>
<servlet-mapping>
  <servlet-name>remoteapi</servlet-name>
  <url-pattern>/remote_api</url-pattern>
</servlet-mapping>
<security-constraint>
  <web-resource-collection>
    <web-resource-name>remoteapi</web-resource-name>
    <url-pattern>/remote_api</url-pattern>
  </web-resource-collection>
  <auth-constraint>
    <role-name>admin</role-name>
  </auth-constraint>
</security-constraint>

--Matthew

On Tue, Nov 17, 2009 at 12:53 PM, Matthew Blain <matthew.bl...@google.com>wrote:

> Hi App Engine developers,
> We're working on some improvements and additions to the bulk loader to
> make it easier to move data between the App Engine Datastore and other
> data files you may have. If you're doing this right now, we're looking
> for some beta testers.
> Two specific issues we're addressing at this time are:
>  * More language-neutral: Java developers, this will help you!
>  * More format-neutral: If you use some format other than CSV, this
> will help you!
>
> If you're interested, fill out the form at
>
> https://spreadsheets.google.com/viewform?formkey=dC15V2hwczhpZ1VVWFhPZGhXR1dydUE6MQ
> to get started.
>
> --Matthew
>

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