Greetings all -
I'm pleased to announce that *Programming Google App Engine, 2nd Edition* is
now available through O'Reilly Media's early-access Rough Cuts program:
http://oreilly.com/catalog/0636920017547
Book blog announcement:
Greetings all -
I'm pleased to announce that *Programming Google App Engine, 2nd Edition* is
now available through O'Reilly Media's early-access Rough Cuts program:
http://oreilly.com/catalog/0636920017547
Book blog announcement:
Hi all -
My book, Programming Google App Engine, is O'Reilly's EBook Deal of
the Day for September 22. For the next 24 hours, you can buy the
ebook edition of PGAE from O'Reilly's website for only $9.99 (73%
off!). Use the code DDPGA during checkout.
http://oreilly.com/catalog/9780596522728/
Greetings App Engine developers -
The book *Programming Google App Engine*, written by yours truly and
published by O'Reilly Media, is now available in bookstores everywhere. The
book covers everything from the datastore to task queues, using both Java
and Python.
Greetings App Engine developers -
The book *Programming Google App Engine*, written by yours truly and
published by O'Reilly Media, is now available in bookstores everywhere. The
book covers everything from the datastore to task queues, using both Java
and Python.
Hi all -
The downloadable documentation for App Engine has been updated with the
latest revision. This Zip archive of all of the docs includes all App
Engine for Java documentation, App Engine for Python up to today's 1.2.1
release, and all FAQs and articles.
Hi Tom -
Can you explain what you mean by a large database put? Are you using the
bulk uploader tool? The error message you quoted is printed by appcfg when
it gets a certain error from the Google Accounts system. This error can be
caused by several things, including multiple unsuccessful login
at 12:44 PM, Dan Sanderson
dansander...@google.com
wrote:
My apologies for the frustration. I'll get the docs fixed. (There
is
a
pending fix that makes the example work, but it didn't get out in
time
for
launch.)
*hangs head in shame*
-- Dan
On Tue
The URL fetch interface uses a scalable service to fetch URLs, not direct
network connections. The Java runtime supports using the URLConnection
interface to use this service.
There's probably a reason why the thread-related classes are on the
whitelist, though I don't know what it is. Spawning
On Wed, Apr 8, 2009 at 7:27 AM, J jlin.li...@gmail.com wrote:
I'm fairly new to web development and AppEngine. I'm wondering if it's
possible to use both Python and Java in AppEngine. Certain modules
would be written in Python and other are written in Java. Why or why
not?
An application can
The App Engine datastore is a distributed schemaless object store, with
support for index-based queries and local transactions. It is built on
BigTable, a major component of Google's storage infrastructure.
Full support for SQL is unlikely to happen in the near future, as is full
support for
Some of the same problems can be solved in different ways. For instance,
aggregate data can often be calculated at write time, obviating the need for
an expensive aggregate runtime query involving millions of records and
hundreds of machines. The tricky bit is implementing the different
to Google App Engine are using
relational databases in the daily job...
Like Andrew said it's a issue of barrier.
PS: I will look into the index documentation to see if it can help me
with aggregate data.
Cheers,
Marcel
On 8 apr, 21:40, Dan Sanderson dansander...@google.com wrote
You can't change an app's cron config dynamically. However, you can write
your own process that is invoked by cron on a regular basis and decides what
to do on each invocation based on application data.
-- Dan
On Wed, Apr 8, 2009 at 2:57 PM, Michael Bailey yogurte...@gmail.com wrote:
From
Specifically, a query with multiple equality filters on a single list
property requires an (exploding) custom index with the property repeated in
multiple columns if and only if the query also uses inequality filters or
sort orders on other properties. If a query uses nothing but equality
filters
The XMPP support mentioned on the roadmap does not include BOSH.
-- Dan
On Sun, Mar 15, 2009 at 6:14 PM, David Wilson d...@botanicus.net wrote:
2009/3/15 thuan nunob...@gmail.com:
I know the topic is more about microblogging services than xmpp, but
by chance, have somebody achieved to
Hi James -
Please contact Google Apps support for this issue:
http://www.google.com/support/a/?hl=en
The google-appengine group is for App Engine issues and discussions.
Thanks!
-- Dan
On Sat, Mar 14, 2009 at 4:51 AM, Legacy FamilyTree legacyfamilyt...@shaw.ca
wrote:
Hi guys,
This one
__key__ is the default ordering when no other filters or sort orders are
requested. (In general, __key__ is the last ordering applied after all
other orders.)
-- Dan
On Fri, Mar 13, 2009 at 8:37 PM, Simo Salminen ssalm...@gmail.com wrote:
Hi.
In
You can actually use any string for the version identifier. So yes, you can
use floats.
-- Dan
On Mon, Mar 16, 2009 at 1:36 PM, Ronn Ross ronn.r...@gmail.com wrote:
Can you on use integers for version numbers? For example 1,2, and 3, or can
you uses floats e.g. 1.1,1.2,1.3?thanks
http://code.google.com/appengine/articles/paging.html
-- Dan
On Wed, Mar 11, 2009 at 2:00 PM, Let Delete My Apps
davide.rogn...@gmail.com wrote:
What is the best way for paginating a list of records?
See 30. Object pagination
http://www.djangoproject.com/documentation/models/pagination/
Hi Bender -
Yes, that paragraph needs to be updated. A long time ago the Admin Console
displayed the number of times a given major version was uploaded as a
minor version number. (And that last sentence should read, Only the
latest *minor* version is retained for each major version.)
As for
Ross is correct. You only pay for what you use. If your app doesn't go
over the free quotas, you pay nothing, regardless of how you set your
maximum daily budget.
When you set your budget for the first time, you go through the Google
Checkout process to authorize the maximum budget. This
On Fri, Feb 20, 2009 at 12:13 PM, pedepy paul.ro...@gmail.com wrote:
Hi .. I just stumbed upon a NeedIndexError. I understand why it
happens, but I dont quite understand the 'motivations' behind it.
If the development server can just generate indexes for queries as I
make them, why would
. Instead, the first instance should use that extra CPU to do
things, such as import, that subsequent instances will/might need.
On Feb 9, 11:03 am, Dan Sanderson dansander...@google.com wrote:
I can answer of couple of these:
On Mon, Feb 9, 2009 at 9:29 AM, Mike Wesner m...@konsole.net
On Fri, Feb 13, 2009 at 6:11 PM, Will vocalster@gmail.com wrote:
Is the limit on datastore entry to be lifted soon, or will be around for a
while? Is it possible now for a user to upload a 10MB file and save into 10
datastore entries?
It is possible for the user to upload a 10MB file,
Thanks, I'll fix it.
-- Dan
On Thu, Feb 12, 2009 at 7:41 AM, Joe Blau josephb...@gmail.com wrote:
http://code.google.com/appengine/docs/python/tools/uploadingdata.html
On OSX, the command in /usr/local/bin is called bulkloader.py, but
in the docs under the sections Uploading the Data to App
and generally the right thing to do. But products like your
app-engine-patch are the real story for frameworks.
-- Dan
On Tue, Feb 10, 2009 at 5:09 AM, Waldemar Kornewald wkornew...@gmail.comwrote:
Hi Dan,
On Feb 10, 5:05 am, Dan Sanderson dansander...@google.com wrote:
As for bundling Django, we
=445
Are you working on this? We need to set/unset HTTP-referer to
connect to remote APIs as Delicious or Twitter.
Thanks.
On Feb 10, 7:52 am, Dan Sanderson dansander...@google.com wrote:
Correct, all of the functionality and restrictions of the URL Fetch
service
apply to the httplib
On Mon, Feb 9, 2009 at 5:17 AM, arnie parvez...@rediffmail.com wrote:
I would like to become clear about this:
I have registered an app on appspot.com that is consuming a datastore
table [created within the app]. The GAE allows for creating 10
applications, so i created another with version
XMPP support will not take the form of long running processes. XMPP
connections will be maintained by servers that relay incoming messages to
the app's XMPP handlers, each of which will execute just like an HTTP
request handler. There will also be an API for sending XMPP messages from
the app,
I can answer of couple of these:
On Mon, Feb 9, 2009 at 9:29 AM, Mike Wesner m...@konsole.net wrote:
1. How does the import cache work exactly? I have read docs but still
am left with questions on how exactly it works. If we have a main.py
with our main() method in it... are all the imports
On Mon, Feb 9, 2009 at 6:37 PM, Barry Hunter barrybhun...@googlemail.com
wrote:
Looks exciting! But how do we try out the bulk client? The 'here' in
the blog post, points to the same page :(
The bulk loader docs are here:
http://code.google.com/appengine/docs/python/tools/uploadingdata.html
is not very
useful, but client-side BOSH support would be great.
On Feb 9, 7:56 pm, Dan Sanderson dansander...@google.com wrote:
XMPP support will not take the form of long running processes. XMPP
connections will be maintained by servers that relay incoming messages to
the app's XMPP handlers
Correct, all of the functionality and restrictions of the URL Fetch service
apply to the httplib interfaces.
-- Dan
On Mon, Feb 9, 2009 at 6:33 PM, gesteves gfeste...@gmail.com wrote:
Quick question: The docs state that You can use the Python standard
libraries urllib, urllib2 or httplib to
I'm not sure I understand your example. The way you set it up here, select
* from Location where birthplace = whatever returns a set of Location
objects, each of which has a property with the key of a Person entity that
you're looking for. You can access each Person object simply by referencing
No.
-- Dan
On Tue, Feb 3, 2009 at 1:47 AM, minorproject...@gmail.com
minorproject...@gmail.com wrote:
Is gcc available in the server provided by the appengine?
--~--~-~--~~~---~--~~
You received this message because you are subscribed to the Google Groups
There's no way to assign a subdomain to a specific version of an app. The
most practical solution to host a beta version like this is to install
both versions of your software within the same app, and control the
difference with URL path mapping.
You could create a second app, associate it with
Start the GoogleAppEngineLauncher application. It will re-create the
symlinks. (Annoying, I know. I believe the issue has to do with the
permissions the updater has when it runs.)
-- Dan
On Tue, Jan 20, 2009 at 1:43 PM, pjesi vidarsv...@gmail.com wrote:
Hi
GAE was automatically updated
You should be able to use the prefix match technique on a
StringListProperty.
Your searchname query does not need a custom index, so the dev server
doesn't define one in index.yaml. Every property for a kind gets an
automatic index of just that property's values for entities of that kind. A
On Thu, Jan 15, 2009 at 2:06 AM, arnie parvez...@rediffmail.com wrote:
Can we share same datastore tables [2 tables with 1-to many
relationships] between more than one wsgi applications on GAE?
If your question is about sharing a datastore between 2 App Engine
applications, such as
If you don't need the entity, count(1) would be faster than fetch(1) or
get().
-- Dan
On Mon, Jan 12, 2009 at 12:54 PM, SM sanja...@gmail.com wrote:
I have a simple model like this:
class MyModel(db.Model):
prop = db.StringProperty()
active = db.BooleanProperty(default=False)
Given an
You're on the right track. A web service works very similarly to a web
application, except instead of serving UI to a browser, it uses a protocol
based on HTTP that describes the structure of requests and responses that
make up the interaction between the client and the service. You can use a
Thanks, I'll fix it.
-- Dan
On Fri, Jan 9, 2009 at 11:11 AM, adelevie adele...@gmail.com wrote:
http://code.google.com/appengine/docs/appcfgpy.html
towards the bottom it says appcfy.py where it should be appcfg.py.
I didn't know where else to post this.
If you only need some of the properties for the query that needs 100+
results, you'll need to create a separate set of entities with just those
properties, and query those. Similarly, if you want the query to return
just the keys, you'll need entities containing the properties that are the
There is currently no way to retrieve only parts of entities, nor just keys,
from the datastore in response to queries. There's no way to dig out the
keys either: the datastore returns the full entities in response to queries,
there is no intermediate app-side step that fetches entities for keys.
On Thu, Jan 8, 2009 at 3:35 PM, Tzakie gwood...@comexton.com wrote:
Thanks very much for your time guys.
No problem, happy to help.
When you call:
CategoryRows = db.GqlQuery(QueryString)
It's fast.
It's the loop where you try and access the returned entities that
is slow. Doesn't it
Yup, you can definitely use App Engine to create web services like you
describe. A networked backend for an Android app is a great use of App
Engine.
-- Dan
On Thu, Jan 8, 2009 at 2:56 PM, mscwd01 mscw...@gmail.com wrote:
I have taken a look around the App Engine documentation but havent
Repeating a couple of things I mentioned to Greg in email, for the list
discussion:
A single-server SQL database with low load and tables with rows numbering in
the thousands can do lots of cool things with that data in a reasonable
amount of time. But many of the features of a SQL query engine
There is no requirement to mention Google App Engine in your App Engine
application.
-- Dan
On Tue, Dec 30, 2008 at 5:17 PM, Gareth Nelson gar...@garethnelson.comwrote:
Is this a requirement to place on the site or can one simply put some
text or not mention app engine at all?
, be careful to include
all .py files so that your zips will work both in dev and on App Engine.
-- Dan
On Mon, Dec 22, 2008 at 3:27 PM, Alexander Konovalenko alex...@gmail.comwrote:
The Using Django 1.0 on App Engine with Zipimport article by Dan
Sanderson [1] calls the support for .pyc files
On Sat, Dec 20, 2008 at 11:06 PM, Thomas Johansson prenc...@gmail.comwrote:
Speaking of the billing, perhaps you can elaborate on the other quotas
in place, like sending emails, urlfetch and so forth?
The best sources of info on the quotas right now are the Quotas section of
the Admin
The advantage of caching GqlQuery objects between requests is that it saves
on having to compile the GQL for future requests. By storing it in a global
and binding new values prior to calling, it gets compiled on the first
request for the web server instance, and uses the pre-compiled version on
We haven't yet announced information that answers your question directly.
If you haven't seen it, check out the billing sneak peak we snuck in to the
last blog entry:
http://googleappengine.blogspot.com/2008/12/system-status-dashboard-quota-details.html#sneakpeak
Of course, you'll see the whole
App Engine apps cannot receive email directly. You'd need a third-party
email-to-HTTP relay, or just direct users to your website to enter their
contact information.
-- Dan
On Wed, Dec 17, 2008 at 5:25 AM, Nora noorhanab...@yahoo.co.uk wrote:
Hello,
I have developed a 'Contact us' form that
http://code.google.com/appengine/docs/urlfetch/fetchfunction.html
follow_redirects=False
-- Dan
On Tue, Dec 16, 2008 at 9:26 PM, Soybean ducson.ngu...@gmail.com wrote:
The documentation notes that you can prevent a redirect (hopefully
this means ignoring a 302) with an argument, but the
Good catch! I'll make sure the docs address this case, in both samples and
descriptions.
Thanks!
-- Dan
On Mon, Dec 15, 2008 at 10:49 AM, Jeff S j...@google.com wrote:
Thank you for pointing this out. It seems like most code snippets do
include the if __name__ == '__main__' but I did find
On Thu, Dec 4, 2008 at 6:46 PM, Amir Michail [EMAIL PROTECTED] wrote:
Instead of asking GAE developers to upload libraries they need, why
not ask the developers of the libraries to upload versions that work
with GAE?
It's important for an app owner to control which version of each dependency
, you'd delete a version of the application. See
the Versions section of the Admin Console.
If you want to delete a file from the current version, simply delete it
locally, then re-upload the app. You don't need the Admin Console for that.
-- Dan
On Dec 3, 1:07 am, Dan Sanderson [EMAIL
If you remove the file from your local development directory then upload the
app using the same version parameter in the app.yaml file, the file will
be deleted from App Engine. If the file is in a different version of the
app and the version is no longer the default version, you can delete the
) 641-1280
-http://higherefficiency.net/
-http://changeroundup.com/
-http://flipbitsnotburgers.blogspot.com/
-http://andrew.badera.us/
- Google me:http://www.google.com/search?q=andrew+badera
On Sun, Nov 30, 2008 at 12:09 AM, Dan Sanderson [EMAIL PROTECTED]
wrote:
Roberto
Hi all -
Some of you have noticed that Programming Google App Engine, a new book to
be published by O'Reilly Media in 2009, is now available through O'Reilly's
Rough Cuts program. Rough Cuts gives you early access to electronic drafts
of the book as it is being written, and can optionally
Roberto is correct. Using multiple applications in concert to subvert the
quota system is a violation of the terms of service.
http://code.google.com/appengine/terms.html
7.2. You may not ... attempt to disable or circumvent any security
mechanisms used by the Service or any Application...
--
On Sat, Nov 29, 2008 at 3:24 PM, Alexander Kojevnikov
[EMAIL PROTECTED] wrote:
That should never be the case. If the index wasn't fully updated, it
should serve you an old version of both the index and the data. If
something else happens, it is definitely a bug, so you should file a
Hi Amir -
On Tue, Nov 25, 2008 at 6:15 PM, Amir Michail [EMAIL PROTECTED] wrote:
When signing up, is there a chance that the application will be
rejected?
No, you can set up your app right away, there is no approval process. Your
app must comply with the Terms of Service:
On Tue, Nov 25, 2008 at 8:52 PM, Amir Michail [EMAIL PROTECTED] wrote:
If so, should I get some traffic first before signing up?
No need! Just sign up and start building.
I was referring to the sign up for Google Apps, not the Google app
engine. There's no approval process there?
This is happening right now: irc.freenode.net #appengine See you there!
-- Dan
On Tue, Nov 18, 2008 at 1:49 PM, Marzia Niccolai [EMAIL PROTECTED] wrote:
Hi,
A reminder that we will have App Engine Chat Time tomorrow, November 19th
from 9-10AM PST. Hope to see some of you there!
The SDK is inside the Launcher application bundle:
/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/dev_appserver.py
You can specify the MIME type manually with the mime_type option in
app.yaml. For example:
- url: /silverlight/(.*\.xaml)
static_files: silverlight/\1
mime_type: application/xaml+xml
(I didn't test this, so let me know how it goes. :) )
-- Dan
On Fri, Nov 7, 2008 at 4:41 AM, Neo42 [EMAIL
On Mon, Nov 3, 2008 at 11:42 PM, Kannaiyan [EMAIL PROTECTED] wrote:
As a software developer I would allow users to reuse the same code. I
won't make million copies of the same code. (If used by millions of
people). If Python does not allow such sharing model, then the
language is a total
On Tue, Nov 4, 2008 at 9:48 AM, Kannaiyan [EMAIL PROTECTED] wrote:
We need to have a smart way of maintaining versions.
What if Google Upgrades the version of Python Intrepreter to a higher
version when the code is written for lower version?
Runtime environments are versioned, and you
See also the docs on fetch(limit, offset):
http://code.google.com/appengine/docs/datastore/queryclass.html#Query_fetch
In particular: The query has performance characteristics that correspond
linearly with the offset amount plus the limit.
-- Dan
On Sun, Nov 2, 2008 at 8:23 PM, David Symonds
dev_appserver.py ?
Regards
--
Brad.
On 30/10/2008, Dan Sanderson [EMAIL PROTECTED] wrote:
Do you have __init__.py files in your google/ and google/protobuf/
directories? That's how Python knows those directories are packages
that
contain modules
Good catch! You're right, the code sample does not match the description.
The intent was for the new object to be created with a key name based on
account_id. I'll fix it.
Thanks!
-- Dan
On Wed, Oct 29, 2008 at 2:17 AM, an0 [EMAIL PROTECTED] wrote:
I'd recommend Django 1.0 along with the Helper or something similar. You
could use Django without the Helper if you accommodate some of the import
technicalities, the Helper just makes it easier. This article discusses
using Django without the Helper (though I'm not sure if the article works
out
The object interface is intended to be similar to the Python interface to
Danga Interactive's Memcache. The equivalent functions are for convenience,
since the object doesn't need to maintain state, like a connection to a
particular Memcache server. No other differences that I'm aware of.
-- Dan
You shouldn't need cgi.escape(), either:
class MainPage(webapp.RequestHandler):
def get(self):
data = self.request.get('123xyz')
self.response.headers['Content-Type'] = 'text/plain'
self.response.out.write('Hello world! ' + data)
http://localhost:8080/?123xyz=blah%20blah
-- Dan
On
On Wed, Oct 22, 2008 at 5:28 PM, Ian MacLarty [EMAIL PROTECTED]wrote:
...
However the article
http://code.google.com/appengine/articles/transaction_isolation.html
gives the impression that the transaction isolation level is read
committed. That would imply that another concurrent transaction
Check out the skip_files configuration directive:
http://code.google.com/appengine/docs/configuringanapp.html#Skipping_Files
-- Dan
On Wed, Oct 22, 2008 at 7:54 PM, Mariano Benitez [EMAIL PROTECTED] wrote:
I've moved my data directory inside the app gae/trunk/data. I've
marked it ignored for
What errors are you getting?
-- Dan
On Mon, Oct 20, 2008 at 11:17 AM, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
Running Python Launcher Version 2.5.1 Google App Engine SDK release:
1.1.5
on Mac OS X Version 10.4.11
First time user, so far the tutorial is easy to follow. I get to
Using
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