google-app-engine

AjaxForm and app engine blobstore

Hi, I'm having some difficulties with AjaxForm file upload and the app engine blobstore. I suspect the difficulty is because the blobstore upload handler (subclass of blobstore_handlers.BlobstoreUploadHandler) mandates a redirect response, rather than returning any content, but I'm not sure. I'm expecting to get an XML document to work ...

Unit Testing the Server Interface for a Silverlight-Facebook Application

I have a Silverlight 4 client running on a Facebook page hosted on Google App Engine. It's using gminifb to communicate with the Facebook API. The Silverlight client uses POST calls to the URIs for each method and passes the session information from Facebook with each call. The project's growing and it would be super-useful if I could s...

testing mail with appengine development server (java)

I'm using javamail to send mails from my appengine application. It works perfectly in the deployment, but I can't figure out how to do this using the development server. Whenever I need to test the sendmail, I'm having to deploy the application which is quite annoying. ...

Using Google App Engine how to upload document in google docs (python)

Hello, I want to upload document, file to google docs using Google Apps Engine (python) any code or link will be appreciated ...

Does bigtable need locking?

I am using task queue for certain data updation in GAE. My queue.xml file look like below <queue> <name>data-processing</name> <rate>20/s</rate> </queue> My queue processing servlet decrease credit by 1 for every task. While processing it need to check for credit availability and proceed further only if credit is av...

what is the difference between google app engine and weblogic server?

hi, can you please explain me the difference between google app engine and weblogic server? ...

Custom appengine logins

I'm building an app which should allow any user to setup and account using any email address. app-engine seems to only accept gmail.com addresses. is what i want to do possible and if so can anyone point me in the right direction? thanks! ...

How to fetch multiple values of a class all at once without loop?

I know this is simple but I couldn' figure this out, I am fetching all the instances for a given linkname but I want to call all their values(rating2) to perform a calculation, what I realized though is in looping through I believe this is making an individual call each time, (its slow) it takes 2 seconds for only 100 instances of the L...

I want OpenID on GAE/J. I don't want yet another +100kB JAR. Am I lost?

Hi Usually people ask for 'best library', but I assume OpenID authentication is only a couple of requests in/out...? And I'm on GAE where more JARs means slower cold-start. For example openid4java-0.9.5.jar has 190kB. That seems like an insanely high cost for some URL reading and text parsing. Am I missing something? Is it more complic...

Debug Jinja2 in Google App Engine

When I'm running Jinja2 in Google App Engine, I get useless debugging information. I gather this is because of this item in the FAQ: My tracebacks look weird. What’s happening? If the speedups module is not compiled and you are using a Python installation without ctypes (Python 2.4 without ctypes, Jython or Google’s AppEngine) J...

crawler on appengine

i want to run a program continiously on appengine.This program will automatically crawl some website continiously and store the data into its database.Is it possible for the program to continiously keep doing it on appengine?Or will appengine kill the process? Note:The website which will be crawled is not stored on appengine ...

Change type of Datastore field to Text from String?

I can't seem to do this. The list that the app engine datastore viewer does not contain Text as an option. I had to change my fields because some of my values were too long for String, but now I can't retroactively fix my old entries. ...

cloud portability

may i know how portability is gae application. let say i have an application that using comet feature, task queue..etc and not using bigtable and i want to deploy on vmware/amazon will it run? ...

does google app engine display unicode differently in StringProperty v StringListProperty objs?

I have a db.StringProperty() mRegion that is set to some Korean text. I see in my Dashboard that the value is visibly in Korean like this: 한국 : 충청남도 However, when I take this field and add it into a string list property (db.StringListProperty()) I end up with something like this: \ud55c\uad6d : \ucda9\uccad\ub0a8\ub3c4 I am having i...

how to make a rss for my site's info on gae

i want to find a rss lib to do this , did you know ? like this : thanks ...

app engine datastore: model for progressively updated terrain height map

Users submit rectangular axis-aligned regions associated with "terrain maps". At any time users can delete regions they have created. class Region(db.Model): terrain_map = reference to TerrainMap top_left_x = integer top_left_y = integer bottom_right_x = integer bottom_right_y = integer I want to maintain a "terrain height m...

Preserving Authentication over multiple servers.

I am writing an application in Google appengine python. Due to the limited support of the appengine environment I have to implement some of the functionality on external dedicated servers. Is there an authentication mechanism available that will preserve login information over the external servers and appengine. ...

What is effected by ReferenceProperty

In reference to this two questions (see links below) and the Google AppEngine doc, I got a little bit confused: class Author(db.Model): name = db.StringProperty() class Story(db.Model): author = db.ReferenceProperty(Author) story = db.get(story_key) author_name = story.author.name source google The doc example indicates th...

RPC to java based Google App Engine from C# Client

Hi All, Please bare with me. This is my first go on the Google app Engine:) I'm having a lot of problems calling a Java based Google App Engine server from a C# client This is how my client code looks like: // C# Client static void Main(string[] args) { const string URL = "http://localhost:8888/googlewebapptest7/greet"; HttpWeb...

Trying to store Utf-8 data in datastore getting UnicodeEncodeError

Trying to store utf-8 into datastore and getting error : Traceback (most recent call last): File "/sinfo/google_appengine/google/appengine/ext/webapp/__init__.py", line 511, in __call__ handler.get(*groups) File "/sinfo/siteinfo/siteinfo.py", line 1911, in get seoEntity.put() File "/sinfo/google_appengine/google/appengine/...