google-app-engine

Modify/Delete datastore Index on google app engine

My old web.xml was <datastore-index kind="TBL" ancestor="false"> <property name="Col1" direction="asc" /> <property name="Col2" direction="desc" /> <property name="Col3" direction="asc" /> <property name="Col4" direction="asc" /> <property name="Col5" direction="asc" /> <property name="Col6" direction="asc" />...

Google AJAX Feed API, Dynamic Feed Control and the Japnese Language

English is fine but for Japanese feeds its showing invalid characters... why i am getting invalid characters in Japnese feeds? http://acsjapan.jp/j/index.html not in english? http://acsjapan.jp/ help me fix for japnese feeds.. ...

Difference between save() and put() ?

Hello, What is the difference between Mymodel.save() and Mymodel.put() in appengine with python? I know that save is used in django but does is work with appengine models too? ...

Google Appengine problem with SVN repositry

Hello there stackoverflow, I have a Google Appengine project. I've decided to SVN it. I get an error I've never seen from the Google Appengine: com.google.appengine.tools.info.LocalVersionFactory getVersion INFO: Could not find API version from E:\ws\msgServ\war\WEB-INF\lib.svn java.io.FileNotFoundException: E:\ws\msgServ\war\WEB-INF\...

Intermittent DownloadError Application Error 2 on Google App Engine

We have two applications that are both running on Google App Engine. App1 makes requests to app2 as an authenticated user. The authentication works by requesting an authentication token from Google ClientLogin that is exchanged for a cookie. The cookie is then used for subsequent requests (as described here). App1 runs the following code...

Handling file uploads in App Engine (python)

Hi, I am trying to implement a file upload solution using app engine and python. The thing which I am struggling with checking whether there is actually a file attached to the form or not. I am setting the enctype="multipart/form-data" and in principle it works. My python handler looks like this: fileupload = self.request.POST["content...

How can I Make a dynamic website with Google App Engine

Recently I've been very interested with GWT and Google App Engine. Although I know little of the latter, I think I have a basic understanding of what is it. From what I've read (and using my novice computer science comprehension) I've come up with: Google App engine is a service that allows you to host your code on Google servers. Once...

Mapping Data for a Google App Engine Blog Application:

My reading is limited as of yet, but so far here are some key points I have identified for using the GAE Datastore: It is not a relational database. Data duplication occurs by default across storage space. You cannot 'join' tables at the datastore level. Optimized for reads with less frequent writes. These lead me to the following da...

How to fix Google App Engine location value ?

I moved my projects from old PC to new PC, on the new PC I downloaded the latest Google App Engine 1.3.5 and the directory is "C:\appengine-java-sdk-1.3.5", yet when I build my projects, NetBeans kept saying : C:\Dir_PayPal_Monitor\build.xml:12: The following error occurred while executing this line: C:\Dir_PayPal_Monitor\nbproject\buil...

Twisted vs Google App Engine in serving mobile clients

So far I have been using Twisted to simultaneously serve a lot of mobile clients (Android, iPhone) with their HTTP requests exchanging JSON messages. For my next project I'd like to try out Google App Engine, but I'm wondering if it is capable of doing the same or if I should rather go with a custom built solution again. ...

Wiki software based out of Google App Engine?

Is anyone aware of open source wiki based out of google app engine? ...

Reddit / Digg clone on google app engine?

Is anyone aware of a reddit / digg clone software available for google app engine? ...

Google App Engine - Naked Domain Path Redirect in Python

I'm working on a site, colorurl.com, and I need users to be able to type in colorurl.com/00ff00 (or some variation of that), and see the correct page. However, with the naked domain issue, users who type in colorurl.com/somepath will instead be redirected to www.colorurl.com/. Is there a way to detect this in python, and then redirect t...

How to create OAuth HMAC-SHA1 signature on GAE/J?

EDIT: http://stackoverflow.com/questions/1609899/java-equivalent-to-phps-hmac-sha1 (well hopefully, trying a.t.m.) My understanding is that to create a signature I need a 'base string' and a 'key'. I guess I know how to create the base string, and I assume I'm supposed to use 'OAuth Consumer Secret' that Google have assigned to my app a...

How to manage a Google App Engine project as a team?

Because of how files are uploaded from local machine to Google servers, where we can only initiate an update that put the files on the server on the same state as the one on the local machine, I afraid that when working as a team, some of the team members don't have some specific files, and when they update it to the server, they will ef...

Java Content Repository implementation: single-threaded, in-memory, read-only?

Does a Java Content Repository (JCR, specified in JSR-283) implementation with the following features exist? Single-threaded (does not create threads for background processing). In-memory (does not rely on external storage such as a database system or a filesystem). Possibly read-only (no need to support write operations — all content ...

PermanentTaskFailure: ‘module’ object has no attribute ‘BulkPageParser’ with code

Ok i am getting the error in the subject line from the deferred.py file, I realize this error is caused by something not loading but does anyone have any thoughts. This script is being called from a url on the production server. I don't see why the BulkPageParser class is being called in the error. import time import random import str...

Java: Google App Engine JDO objects don't update

I am getting an object from the Datastore using JDO and the PersistenceManager using some methods I have built. String email = request.getParameter("email"); MyUser user = MyUser.all(myPersistentManager).filter("email", email).get(); this gets me the user with the given email address that was persisted during another session. It works...

Appengine forms Option Select from db.Model

My application does not write all data in the database. In the example below just type in the DB name. All fields select dropdown are not recorded in the database. Help please I have a models Docente ESCOLHA_SEXO = (u'masculino', u'feminino') CHOICES_UNIDADE = ('Escola Superior de Tecnologia', 'Escola Superior de Gestao') CHOICES_CAT...

Task Chaining with Cursor issue on app engine. Exception: Too big query offset. Anyone else get this issue?

Hi, I'm not sure if anyone else has this problem, but I'm getting an exception "Too big query offset" when using a cursor for chaining tasks on appengine development server (not sure if it happens on live). The error occurs when requesting a cursor after 4000+ records have been processed in a single query. I wasn't aware that offsets ...