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RELEASE_NOTES
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Copyright 2008 Google Inc.
All rights reserved.
App Engine Python SDK - Release Notes
Version 1.6.3
===============================
- In the Admin Console, you can use new the Traffic Splitting feature to send a
certain percentage of traffic to a non-default application version. The
traffic is split by either cookie or IP address.
- Emails that are sent from Google Apps domains email addresses where the domain
has been set up to use DKIM will be signed: when an email was from a request
that originated on that app's domain or any time the email was sent from
an app adminstrator, including when that email is sent from a cron job or task
queue request.
- In the Admin Console, you can now choose how much and how long you'd like to
store logs. All apps get 1G for free and eventually will be able to pay for
more, while the amount can be increased this release we won't start charging
for the additional capacity until the next release at the earliest.
- The instances screen in the Admin Console now has a button to shut down
a specific instance.
- Each application log has a link to the instance that served the request. If
the instance is no longer serving requests, a message will be displayed.
- The TaskQueue API now supports the ability to tag a Pull Queue task. You may
then lease tasks by tag. This feature is experimental.
- Using Google Apps wildcard domain mappings, you can access alternate
versions of your app via a custom domain.
- Push and Pull Queues are now listed separately in the SDK development console.
- Developer documentation for the experimental NDB API, the replacement for
db.py, is now available.
- Appcfg now supports OAuth2.
- webapp 2.5.1 is now available in the Python 2.7 runtime.
- Django 1.3 is now available in the Python 2.7 runtime.
- GQL Query now supports custom type casting for list elements for "IN" filters.
- Fixed an issue where StringProperty's validate() didn't check the 500 byte
limit.
http://code.google.com/p/googleappengine/issues/detail?id=4030
- Fixed an issue where the datastore admin didn't work with Federated Login.
http://code.google.com/p/googleappengine/issues/detail?id=4111
- Fixed an issue in the SDK where failing to call _RemoveTxn in the
datastore_stub_util caused a memory leak:
http://code.google.com/p/googleappengine/issues/detail?id=6157
- Code that inherits from the deferred library's TaskHandler can now define
custom handling of exceptions.
http://code.google.com/p/googleappengine/issues/detail?id=6478
- Fixed an issue where logging in the SDK was broken in Windows 7 using
Python 2.7.2.
http://code.google.com/p/googleappengine/issues/detail?id=6756
- Fixed an issue in the SDK where the Conversion API call limited was limited
to 1 MB when the production limit is 2 MB.
http://code.google.com/p/googleappengine/issues/detail?id=6794
- Fixed an issue so that a deferred task retries like a push queue task when
using the SingularTaskFailure exception:
http://code.google.com/p/googleappengine/issues/detail?id=6412
Version 1.6.2
===============================
- The Admin Console Datastore Admin has added experimental backup and restore
functionality. The job occurs within your application and counts against your
application quota, including Instance Hours, Datastore Ops and Datastore
Storage.
- Developers can now specify how long a channel token will last until it
expires, with the default remaining two hours. Channel API quota is now
measured both in calls to create a channel and the number of hours of channel
time requested. The maximum hours of quota is the maximum number of channel
creation calls * 2, so free apps get 200 hours of requested channel token
time.
- Python Django now work with Cloud SQL without additional configuration. For
further information see https://developers.google.com/cloud-sql/.
- Task Queue API requests now include a X-Appengine-TaskETA header, that can be
used to measure task delivery latency.
- The default API deadlines for Blobstore API calls have been raised to 15s for
online and 30s for offline requests, up from 5s.
- The Images API now allows you to stretch an image without maintaining the
aspect ratio.
http://code.google.com/p/googleappengine/issues/detail?id=2220
- The Blobstore API now includes the asynchronous function calls
create_upload_url_async, delete_async, and fetch_data_async.
- Django version 1.3 is now available in the Python 2.5 runtime.
- We've added a django_wsgi builtin to allow easier bootstrapping of Django
applications.
- Mail Quota for App Engine apps that have signed up for billing will only be
increased after the first payment for the app is processed.
- As announced in 1.6.1, in this release for the experimental Python 2.7
runtime, the mapreduce and datastore_admin builtins are not available to apps
deployed to Python 2.7.
- Fixed an issue with remote_api where calling fetch_page() with a page size
of 301 and chaining the calls through the returned cursor was skipping half
of the results.
- Fixed an issue where the PIL _imagingmath module was not available in Python
2.7.
- Fixed an issue where the SDK did not resize images down to 512 pixels by
default, as it does in production.
- Fixed an issue with the Images API where valid images were returning a
NotImageError.
http://code.google.com/p/googleappengine/issues/detail?id=5545
- Fixed an issue where the SDK didn't start when using Python 2.7 and the
--backends flag.
http://code.google.com/p/googleappengine/issues/detail?id=6187
- Fixed an issue where Jinja2 was not included in the SDK for use with Python
2.7.
http://code.google.com/p/googleappengine/issues/detail?id=6265
- Fixed an issue with the sql datastore stub in Python 2.7 where the sqlite
module no longer accepted strings with non-ASCII characters.
http://code.google.com/p/googleappengine/issues/detail?id=6290
- Fixed an issue where gzip did not work with Python 2.7 in the dev_appserver.
http://code.google.com/p/googleappengine/issues/detail?id=6324
- Fixed an issue where urllib2 did not work with Python 2.7.
http://code.google.com/p/googleappengine/issues/detail?id=6567
- Fixed an error in the Datastore Viewer where an error was thrown when viewing
an Entity which defines an index with no properties.
http://code.google.com/p/googleappengine/issues/detail?id=6600
- Fixed an issue where transactional tasks were not enqueued in the SDK when
running in high_replication mode.
http://code.google.com/p/googleappengine/issues/detail?id=6669
Version 1.6.1
===============================
- You can now configure Frontend Instance Classes from your Admin Console's
application settings page. Three classes are available, with increasing
memory, CPU limits, and associated cost. By default, all applications use the
basic frontend instance setting of 128MB memory and 600MHz CPU.
- We've added new functionality to the Log API that will allow you to read your
application's logs programmatically.
- We are releasing an experimental Conversion API that will allow you to convert
between document types including .doc, .html, .pdf, images using OCR, and
more.
- The High Replication Datastore migration utility is now available as a GA
feature, and is no longer experimental.
- The ext.db API query functions (run, fetch, count, get) now accept the keyword
arguments: deadline, read_policy, prefetch_size, batch_size, limit, offset,
start_cursor, end_cursor, keys_only. It is recommended that developers use
Query.run() with a limit or batch_size instead of Query.fetch() when iterating
over results.
- The ext.db API model functions (get, put, delete, allocate_ids) now directly
accept the keyword arguments: deadline, read_policy
- The Blobstore API now supports the multiple="true" attribute to the HTML input
tag.
- Fixed an issue logging unicode objects in the SDK.
- Fixed an issue with the dev_appserver where HTTP HEAD always returned
content-length: 0.
http://code.google.com/p/googleappengine/issues/detail?id=2000
- Fixed an issue in the SDK where importing Crypto.Util.Counter caused an
ImportError.
http://code.google.com/p/googleappengine/issues/detail?id=4168
- Fixed an issue where the SDK didn't work with virtualenv.
http://code.google.com/p/googleappengine/issues/detail?id=4339
- Fixed an issue where cached static files served to IPs on the DoS blacklist
consumed bandwidth quota.
http://code.google.com/p/googleappengine/issues/detail?id=4607
- Fixed an issue that was causing slow serving of requests in the SDK.
http://code.google.com/p/googleappengine/issues/detail?id=6005
- Fixed an issue where the Channel API didn't work in the SDK with Python 2.7.
http://code.google.com/p/googleappengine/issues/detail?id=6267
- Fixed an httplib compatibility issue between Python 2.5 and Python 2.7 in the
SDK.
http://code.google.com/p/googleappengine/issues/detail?id=6271
- Fixed an issue where queries larger than 1MB didn't work with Python 2.7.
http://code.google.com/p/googleappengine/issues/detail?id=6282
- Fixed an error in the SDK on first page load for a handler.
http://code.google.com/p/googleappengine/issues/detail?id=6302
- Fixed an issue in the SDK that caused slowness due to app's logs being written
to the datastore. Set the --persist_logs flag in the SDK if you are using the
Logservice API to read logs.
http://code.google.com/p/googleappengine/issues/detail?id=6355
- WARNING: Starting with the 1.6.2 release of the experimental Python 2.7
runtime, the mapreduce and datastore_admin builtins will not be supported.
Version 1.6.0
===============================
- On November 7th, App Engine will be out of Preview. The new Terms of Service
and previously announced pricing changes will be in effect. Additionally, all
paid apps are now covered by our SLA.
http://code.google.com/appengine/docs/billing.html
- Paid apps can now specify the maximum pending latency for instances and the
minimum number of idle instances for your application in the Admin Console.
- Task Queue storage has been separated in to its own line item. Previously,
this was included in Datastore storage.
- We have released an experimental utility, available in the Admin Console, to
assist in migrating your application to the High Replication datastore. This
utility allows you to copy the bulk of your data in the background, while the
source application is still serving. You then need a brief read-only period to
migrate your application data while you copy the data that has changed from
the time the original copy started.
- Blobstore, which was previously limited to apps with billing enabled, is now
available for all apps.
- We have published a new article on Datastore Index Selection and Advanced
Search which explains our recent improvements to the query planner that make
exploding indexes unnecessary.
http://code.google.com/appengine/articles/indexselection.html
- Applications can now receive xmpp error stanzas at /_ah/xmpp/error.
- In the Admin Console data viewer, you can now filter by namespace from a drop
down menu, if applicable.
- In the Admin Console's Datastore Statistics, we now offer namespace suggest
for filtering stats.
- We have released as experimental the full MapReduce framework.
- The SDK now supports Python 2.7.
- Python 2.7 now supports WebOb 1.1.1, which has some significant bug fixes.
Applications that explicitly set the "webob" version to "1.1" in their
app.yaml files must update the version to "1.1.1".
- The mail_stub.get_sent_messages() call now returns EmailMessage instances.
- Fixed an issue when setting an initial_value in memcache.incr unexpectedly
returned a string.
http://code.google.com/p/googleappengine/issues/detail?id=2012
- Fixed an issue where DoS stats in the Admin Console didn't work for High
Replication apps.
http://code.google.com/p/googleappengine/issues/detail?id=5237
- WARNING: Starting with 1.6.1 (our next release, NOT this release), URLFetch
requests will honor the Accept-Encoding header. If your code sets this header
then it must be prepared to receive content of the specified type. For more
information please see
http://code.google.com/p/googleappengine/issues/detail?id=4978
Version 1.5.5
===============================
- Python 2.7 is now available as an experimental runtime for all applications
using the High Replication Datastore. To upload your app to the Python 2.7
runtime, change the runtime argument in your app.yaml to python27. Note that
the dev_appserver does NOT work with Python 2.7 - you must deploy your
application in order test it.
- We have increased the number of files you can upload with your application
from 3,000 to 10,000.
- We have increased the size limit for a single file uploaded to App Engine from
10MB to 32MB.
- We have increased the Frontend request deadline from 30 seconds to 60 seconds.
- We have increased the online URLFetch maximum deadline from 10 seconds to 60
seconds. The default deadline remains at 10 seconds. The offline maximum deadline
for URLFetch remains at 10 minutes.
- We have increased the URLFetch Post payload from 1MB to 5MB.
- App Engine now supports Cross Group (XG) transactions with the High
Replication Datastore, which allow you to perform transactions across
multiple entity groups.
http://code.google.com/appengine/docs/python/datastore/transactions.html
- We have released an experimental API that can write to Google Storage for
Developers directly from App Engine.
http://code.google.com/appengine/docs/python/googlestorage/overview.html
- We have added a graph to the admin console that displays the number of
instances for which you will be billed.
- In the XMPP API, get_presence() is deprecated in favor of using the inbound
presence handlers documented in
http://code.google.com/appengine/docs/python/xmpp/overview.html#Handling_User_Presence.
- The Task Queue API 'target' parameter now accepts a new value,
taskqueue.DEFAULT_APP_VERSION, which will send the task to the default
frontend version, rather than the version or backend where the 'add' method is
being called.
- In the URLFetch API, make_fetch_call() now returns an RPC object.
- Fixed an issue in the Admin Console where the "Run Now" button did not work
for tasks with a '-' in the name.
- Fixed an issue where the SDK did not decode Base64 encoded blobs.
- Fixed an issue to provide a better error message when using the Mail API to
send email to an invalid user address.
- Fixed an issue in the SDK where a skip_files entry caused an ImportError when
the library was located elsewhere in the PYTHONPATH.
- Fixed an issue in the SDK index viewer where the arrows indicating whether a
query was ascending or descending were not properly rendered.
- Fixed an issue where httplib did not support the deadline argument for
URLFetch calls.
http://code.google.com/p/googleappengine/issues/detail?id=2216
- Fixed an issue where you could not schedule a cron job to run every 100
minutes.
http://code.google.com/p/googleappengine/issues/detail?id=5243
- Fixed an issue in the SDK where failed tasks retried immediately instead of
waiting for 30 seconds.
http://code.google.com/p/googleappengine/issues/detail?id=5587
- Fixed an issue making it possible to modify request headers using the deferred
library.
http://code.google.com/p/googleappengine/issues/detail?id=5861
Version 1.5.4
===============================
- You can now specify the maximum size for a blob in create_upload_url().
- Zigzag merge join queries will now continue scanning up to the 30 second
Datastore query deadline. For zigzag queries that used to generate NeedIndex
errors, many will now succeed. A small percentage will now instead timeout.
- The SDK datastore viewer in the dev console now displays the number of "Write
Ops" for each entity. "Write Ops" are the total number of entity and index
writes that were required to create the entity.
- Added API functionality for making calls to the Memcache API asynchronously.
- Fixed an issue that incorrectly allowed creation of tasks with whitespace in
the url.
- Fixed the error message for "transaction not found" to be more descriptive.
- Fixed an issue where blobstore uploads didn't work in the SDK with the
-a 0.0.0.0 flag set.
- Fixed an issue where --dry_run was broken for upload_data in bulkload.py.
- Fixed an issue where db.Model().to_xml() incorrectly updated auto-updating
properties.
http://code.google.com/p/googleappengine/issues/detail?id=322
- Fixed an issue where the SDK didn't expand the '~' in a file path.
http://code.google.com/p/googleappengine/issues/detail?id=522
- Fixed an issue where is_saved() wasn't valid after db.Model.__init__.
http://code.google.com/p/googleappengine/issues/detail?id=844
- Fixed an issue where GQL IN queries with an empty list returned all entities.
http://code.google.com/p/googleappengine/issues/detail?id=932
- Fixed an issue where the SDK's sqlite stub did not handle cursors on
descending queries correctly.
http://code.google.com/p/googleappengine/issues/detail?id=3121
- Fixed a typo in the SDK's Datastore Stats generator message.
http://code.google.com/p/googleappengine/issues/detail?id=5425
Version 1.5.3
=============================
- We've removed the limit on the size of blob uploads using the Blobstore API.
- You can now send emails with any attachment extension that is not included on
the email attachment extension blacklist.
- Added a db.get_indexes() method to retrieve an application's indexes and
their corresponding states.
- The dev_appserver has been updated to understand the reduced index
requirements of the 1.5.2 datastore query planner changes.
- The Datastore Admin functionality can now be enabled directly in the Admin
Console.
- Added cas(), the compare-and-set function, to the Memcache API.
http://code.google.com/p/googleappengine/issues/detail?id=2139
- Added a set_default_fetch_deadline to the URLFetch API which sets the
URLFetch deadline globally.
- Added app_identity api with methods to get the application id, default
hostname, and service accounts for asserting identity on outbound HTTP calls.
http://code.google.com/appengine/docs/python/appidentity/overview.html
- Added an improved HRD migration tool that requires a read-only period relative
to your datastore write rate (as opposed to your datastore size, which is how
the current version behaves). The tool is not yet generally available. If you
are interested in being an early adopter please fill out this form:
http://goo.gl/3jrXu
- Fixed an issue in the Channel API where jsapi was not served with the correct
mime type.
- Fixed an issue that broke use_library when the Python SDK was located in a
directory that contained the word 'django'.
- Fixed an issue where blobs could not be uploaded using HTTPS.
- Fixed an issue where GQL didn't allow querying for valid kind names
containing '.', '-', and ':' by supporting quoted identifiers.
http://code.google.com/p/googleappengine/issues/detail?id=2584
Version 1.5.2
=============================
- You can now specify the minimum pending latency for instances and the maximum
number of idle instances for your application in the Admin Console.
- The datastore now never requires an exploding index.
http://code.google.com/appengine/docs/python/datastore/queries.html#Big_Entities_and_Exploding_Indexes
- The SDK will now never suggest indexes with the same property repeated, as
such indexes are likely to be exploding indexes.
- The SDK now supports multiple concurrent transactions.
- Datastore stats are now available on a per-namespace basis.
- The queue details page in the Admin Console now contains request header
details, previous run information, and a task payload viewer.
- You can modify the lease on a task leased from a pull queue using the
modify_task_lease() method.
- Pull Task maximum size has been increased to 1MB.
- You can now update the number of available backend instances without needing
to first stop the backend using the "backend configure" appcfg.py directive.
- You can now set the "References" and "In-Reply-To" headers with the Mail API.
http://code.google.com/p/googleappengine/issues/detail?id=2802
- The SDK "application" environment variable will now be prefixed with dev~.
The new preferred way of retrieving your app id is to use
appidentity.get_application_id(). The --default_partition flag can be used
for applications whose code relied on a specific environment variable.
- In the Deferred API, defer() now accepts the _target parameter.
- Added a to_dict() function to db.py which converts a model to a dictionary.
- Added a get_original_metadata() method to the Images API to extract EXIF
information from images.
http://code.google.com/p/googleappengine/issues/detail?id=4133
- Added an @transactional decorator to db.py for functions that should
always be run in a transaction.
- Fixed an issue in the SDK where the Deferred API did not work when using
the --backends flag.
http://code.google.com/p/googleappengine/issues/detail?id=5072
Version 1.5.1
============================
- ProtoRPC is a new experimental library that provides a simple method for
creating a well-defined and easy-to-use web-based RPC service.
- The development server's datastore implementation now contains logic that
closely replicates the consistency guarantees of the High Replication
datastore. To use, run the dev_appserver with the flag --high_replication set
to True.
- All user request have an X-AppEngine-Country header which contains the
ISO-3166-1 alpha-2 country code for the user, based on the IP address of the
client request.
- The Channel API can now provide user presence, this can be configured by
adding channel_presence to the list of inbound services for your application.
- The Images API now supports the WebP format. Due to limitations in PIL, the
SDK does not support the WebP format.
- You can switch the timezone for App Engine logs in the Admin Console.
http://code.google.com/p/googleappengine/issues/detail?id=734
- Fixed an issue in the SDK where leased tasks had the POST method. They now
have a PULL method.
- Fixed an issue where the Channel API didn't work with non-default versions of
applications using the High Replication datastore.
- When displaying corrupt data in the Admin Console dataviewer, a useful error
will be displayed, instead of a 500.
http://code.google.com/p/googleappengine/issues/detail?id=4945
Version 1.5.0
==============================
- Support for Backends which allow developers to create infrastructure
components that complement the existing dynamic apps that App Engine already
provides. Instances of a backend can maintain state, be addressed
individually, and are not subject to per-request time limits. They can also be
configured to consume more memory and CPU than ordinary dynamic instances.
- Task Queues support pull mode, allowing for more control over task queue work
rates. To use pull queues, include the 'mode' argument in your queue.yaml.
- Pull queues are supported by a REST API, allowing access from outside App
Engine. To use the REST API, you must also include a valid ACL section
specifying which users can lease tasks from the pull queue.
- Task Queue payload limits have been increased. Queues support 100KB per task.
Within App Engine, the new limit is 32 MB per batch of tasks. With the REST
API the limit is 1 MB per batch.
- HTTP request and response sizes have been increased to 32 MB.
- We have removed the rate quotas for requests, datastore operations,
memcache operations, and image API operations. Resource quotas still apply.
- When creating new applications, developers will now see the High Replication
Datastore as the default configuration option. Developers that still wish to
use the Master/Slave configuration must explicitly choose this option at
application creation time.
- The Task Queue maximum configurable processing rate has been increased to
500/s.
- We have added two restrictions to the Mail API to improve the reliability
of the service for all applications.
- Emails must be sent from email accounts managed by Google (either Gmail or
a domain signed up for Google Apps).
- Reduced the number of free recipients per day from 2000 to 100 for new
applications.
- All application Owners, as listed in the Admin Console, can download the app's
code, unless code download is disabled for the application.
- Added db.py support for making calls to the datastore asynchronously.
Available functions are get_async(), put_async(), delete_async(),
allocate_ids_async(). Call get_result on the return value of asynchronous
datastore functions to block on the call.
- Metadata queries can now get all namespaces, kinds, and properties in a given
range.
- The Testbed API now supports the Channel API.
- Users can provide Django settings to be loaded in webapp's django_setup.
- Modified Dashboard latency graphs to indicate they only include dynamic
requests.
- Fixed an issue where metadata queries did not support unicode characters.
- Fixed an issue where HTTP headers could contain new line characters.
- A warning message is shown when the Python version used to run the SDK is
different than the Python version used in production.
- Fixed an issue with Federated Users causing the Admin Console dataviewer to
fail.
http://code.google.com/p/googleappengine/issues/detail?id=384
- MacOS and Windows style newlines are now supported for logging in the SDK.
http://code.google.com/p/googleappengine/issues/detail?id=560
- Fixed an issue where sending mail with smtp_host set did not work.
http://code.google.com/p/googleappengine/issues/detail?id=626
- Fixed the file permissions for appinfo_errors.py and appinfo.py in the SDK.
http://code.google.com/p/googleappengine/issues/detail?id=725
- Fixed an issue deploying an app with version set to 0.
http://code.google.com/p/googleappengine/issues/detail?id=735
- Fixed an issue where the SDK allowed GET or DELETE with a body, which does
not work in production.
http://code.google.com/p/googleappengine/issues/detail?id=983
- Fixed an issue where URLFetch/urllib did not work with MacOS and
Python 2.6.0-2.6.3.
http://code.google.com/p/googleappengine/issues/detail?id=985
- Fixed the an issue in the SDK where the mail body was incorrectly generated
when the sendmail option was enabled.
http://code.google.com/p/googleappengine/issues/detail?id=1061
- Fixed an issue in the SDK dataviewer where editing a ListProperty(db.Category)
resulted in a BadValueError.
http://code.google.com/p/googleappengine/issues/detail?id=1139
- Fixed an issue in the SDK where the signal module could be imported, as it
is not supported.
http://code.google.com/p/googleappengine/issues/detail?id=1150
- Improved support for reserving an app id that is a canonicalized version of
a user's Gmail address.
http://code.google.com/p/googleappengine/issues/detail?id=1196
- Added a more useful error messages for unavailable App Ids.
http://code.google.com/p/googleappengine/issues/detail?id=1303
- The SDK now uses hashlib instead of sha. Python 2.4 is no longer supported.
http://code.google.com/p/googleappengine/issues/detail?id=1334
- Fixed an issue where images.composite() did not support PNG transparency in
the SDK.
http://code.google.com/p/googleappengine/issues/detail?id=1417
- Added better error messages for cron.yaml parsing.
http://code.google.com/p/googleappengine/issues/detail?id=1490
- Fixed an issue where uploading an index.yaml file with DOS line endings
caused an error.
http://code.google.com/p/googleappengine/issues/detail?id=1548
- Fixed an issue where unicode characters in a script caused an error.
http://code.google.com/p/googleappengine/issues/detail?id=1675
- Task Queue names can now include the "_" character.
http://code.google.com/p/googleappengine/issues/detail?id=1723
- The sender of an email is no longer BCC'd when they are already included in
the email.
http://code.google.com/p/googleappengine/issues/detail?id=1907
- Fixed an issue where non-string types were interpreted as strings when
parsing the index.yaml file.
http://code.google.com/p/googleappengine/issues/detail?id=2158
- Image API now supplies image format.
http://code.google.com/p/googleappengine/issues/detail?id=2308
- Fixed webapp.request.get_range to work with default=None.
http://code.google.com/p/googleappengine/issues/detail?id=2363
- Added a more helpful error message when trying to send email to a malformed
address.
http://code.google.com/p/googleappengine/issues/detail?id=2386
- The SDK now returns an error if the Content-length header is not included in a
post request, matching production.
http://code.google.com/p/googleappengine/issues/detail?id=2512
- Fixed an issue using URLFetch to fetch pages where the URL contained unicode.
http://code.google.com/p/googleappengine/issues/detail?id=2670
- Fixed an issue where the SDK looked in the wrong folder for the SDK Version
file.
http://code.google.com/p/googleappengine/issues/detail?id=3050
- Fixed a webapp.Request get() issue where the default was not being properly
returned when allow_multiple was set to True.
http://code.google.com/p/googleappengine/issues/detail?id=3235
- Fixed an issue where handler.get_url did not work for non-default versions of
Django.
http://code.google.com/p/googleappengine/issues/detail?id=3300
- Fixed an issue where X-AppEngine-TaskRetryCount did not increment in the SDK.
http://code.google.com/p/googleappengine/issues/detail?id=3501
- Applied a user patch that partially fixed an issue where bulkloader resume
was not working.
http://code.google.com/p/googleappengine/issues/detail?id=3581
- Fixed a logging issue with the SDK BlobImageDispatcher.
http://code.google.com/p/googleappengine/issues/detail?id=3606
- ListProperty now supports datetime.time and datetime.date, as documented.
http://code.google.com/p/googleappengine/issues/detail?id=3818
- Fixed an issue where the Content-length header was being incorrectly stored as
an integer.
http://code.google.com/p/googleappengine/issues/detail?id=3875
- Fixed an issue where the Admin Console didn't keep the app version viewed
consistent across actions.
http://code.google.com/p/googleappengine/issues/detail?id=4023
- Fixed an issue using os.environ in appengine_config.py in the SDK.
http://code.google.com/p/googleappengine/issues/detail?id=4209
- Fixed an issue where HTTP requests on the SDK where truncated if a semicolon
was included in the request.
http://code.google.com/p/googleappengine/issues/detail?id=4241
- Fixed an issue where images.get_serving_url() did not handle blob_info.key()
correctly.
http://code.google.com/p/googleappengine/issues/detail?id=4346
- Fixed an issue where checking for a new version caused the appcfg download_app
command to fail.
http://code.google.com/p/googleappengine/issues/detail?id=4553
- Fixed a typo in the Admin Console on the New App page.
http://code.google.com/p/googleappengine/issues/detail?id=4620
- Return a better error when a ReferenceProperty fails to resolve.
http://code.google.com/p/googleappengine/issues/detail?id=4626
- Fixed an issue where sending mail from an app registered on the HR datastore
required the app id be prefaced with s~.
http://code.google.com/p/googleappengine/issues/detail?id=4671
- Fixed an issue where URLFetch with urllib over HTTPS didn't work.
http://code.google.com/p/googleappengine/issues/detail?id=4824
Version 1.4.3
=================================
- Added Files API that allows writing to and reading from files in blobstore.
- You can now specify cron execution for a time interval between a start and end
time.
- You can now configure the specific application version to which a task queue
or cron job will send requests.
- The Admin Console Task Queues page now displays a more accurate estimate of
queue size for queues containing more than 2000 tasks.
- The Prospective Search API (formerly named the Matcher API) is available for
use by all applications. This API is still experimental, so applications will
be limited to a maximum of 1000 subscriptions.
- The Testbed API provides easy configuration of stub libraries for local
integration tests.
- In the Images API, the quality parameter was added to the resize, rotate,
horizontal_flip, vertical_flip, crop and im_feeling_lucky methods.
- Fixed an issue where static file serving in the dev_appserver didn't support
etags.
http://code.google.com/p/googleappengine/issues/detail?id=368
- An error is now raised when the script mapping in the app.yaml file is missing
the .py file extension.
http://code.google.com/p/googleappengine/issues/detail?id=976
- Fixed an issue where no link was displayed in the Admin Console blobstore
viewer for an unnamed blob.
- Fixed an issue where the Admin Console data viewer couldn't edit entities
with ByteString properties.
http://code.google.com/p/googleappengine/issues/detail?id=2367
- Fixed an issue where the Admin Console crashed when using a non-ascii
key_name.
http://code.google.com/p/googleappengine/issues/detail?id=2451
- Fixed an issue filtering on __key__ while using the --use_sqlite option with
the dev_appserver.
http://code.google.com/p/googleappengine/issues/detail?id=3232
- The Disable Application admin function has been button-ized.
http://code.google.com/p/googleappengine/issues/detail?id=4323
- Fixed an SDK issue where debugging logging wouldn't correctly print URLFetch
payloads.
http://code.google.com/p/googleappengine/issues/detail?id=783
- Fixed an SDK issue where an incompatible line ending was used on blob upload.
http://code.google.com/p/googleappengine/issues/detail?id=3328
- Added more graceful handling of the missing mapreduce.yaml file when the user
has enabled the Datastore Admin but is not otherwise using the MapReduce
framework.
http://code.google.com/p/googleappengine/issues/detail?id=3903
- Fixed an issue where the method webapp_add_wsgi_middleware was no longer
recognized.
http://code.google.com/p/googleappengine/issues/detail?id=4236
Version 1.4.2
================================
- The XMPP API was updated to include presence and allow subscriptions.
- The Task Queue now supports programmatic deleting of tasks.
http://code.google.com/p/googleappengine/issues/detail?id=2588
- The maximum rate per queue at which tasks are processed has been increased to
100 tasks per second.
- The maximum number of concurrent requests for a single queue can be specified
in the application's queue.yaml. This provides an additional easy-to-use form
of rate limiting. The current number of running tasks is also displayed in
the Admin Console.
- Metadata queries in the Datastore now support cursors.
- Admin Console logs viewer now displays time as YYYY-MM-DD HH:MM:SS.mmm.
- The Mail API added KML and KMZ files as allowed attachments.
- Added support for verifying the server SSL certificate when making a
URLFetch request to an HTTPS URL. This will become the default in a future
release.
- Added a warning when an admin tries to upload a queue.yaml where the number
of new queues and the number of disabled queues exceeds 100.
- Django 1.2.5 is available via use of the use_library() declaration. This
version of Django has also been added to the Python SDK.
- Added builtin support for the deferred library.
- If Python Precompilation fails, an error will be printed but the app will
still be uploaded.
- Added a --disable_sdk_update_check command line flag to the dev_appserver.
- Fixed an issue where the datastore copy functionality did not work if writes
were disabled on the source application.
- Fixed an issue where mail from @appid.appspotmail.com did not work when
sending mail to app admins.
- Fixed an issue where the dev_appserver URLFetch API limit was 16MB. It is now
32 MB to match production.
- Fixed a zipimport issue on Windows which was not working due to path
separators.
http://code.google.com/p/googleappengine/issues/detail?id=2086
- Fixed an issue where the SDK did not enforce the 100 task limit for the Task
Queue.
http://code.google.com/p/googleappengine/issues/detail?id=3296
- Fixed an issue where Query.order() was broken for properties with the 'name'
attribute.
http://code.google.com/p/googleappengine/issues/detail?id=3693
- Fixed an unhelpful error message in the Python namespace_manager.
http://code.google.com/p/googleappengine/issues/detail?id=3931
Version 1.4.1
================================
- During application creation, developers can choose between two Datastore
configurations: High Replication or Master/Slave.
http://code.google.com/appengine/docs/python/datastore/hr/#Selecting_a_Datastore
- You can set your application's datastore to read-only mode in the Admin
Console. Any writes attempted while the app is set to read-only will throw a
CapabilityDisabledError. This feature can be helpful for migrating or copying
data between two applications.
http://code.google.com/appengine/docs/adminconsole/applicationsettings.html#Disable_Datastore_Writes
- The Datastore Admin tool has been updated to allow copying of one app's
datastore to another. The destination app must have the Remote API enabled.
http://code.google.com/appengine/docs/adminconsole/datastoreadmin.html
- The deadline for offline URL Fetch API requests for Python and Java have been
increased to a maximum of 10 minutes. The default deadline for offline
URL Fetch requests remains the same.
- Fixed an issue where an AttributeError was occasionally thrown on a datastore
query.
http://code.google.com/p/googleappengine/issues/detail?id=4196
Version 1.4.0
================================
- The Always On feature allows applications to pay and keep 3 instances of their
application always running, which can significantly reduce application
latency.
- Developers can now enable Warmup Requests. By specifying a handler in an
app's app.yaml, App Engine will attempt to send a Warmup Request to initialize
new instances before a user interacts with it. This can reduce the latency an
end-user sees for initializing your application.
- The Channel API is now available for all users.
- Task Queue has been officially released, and is no longer an experimental
feature. The API import paths that use 'labs' have been deprecated. Task queue
storage will count towards an application's overall storage quota, and will
thus be charged for.
- The deadline for Task Queue and Cron requests has been raised to 10 minutes.
Datastore and API deadlines within those requests remain unchanged.
- For the Task Queue, developers can specify task retry_parameters in their
queue.yaml.
- Apps that have enabled billing are allowed up to 100 queues with the Task
Queue API.
- Metadata Queries on the datastore for datastore kinds, namespaces, and entity
properties are available.
- URLFetch allowed response size has been increased, up to 32 MB. Request size
is still limited to 1 MB.
- The request and response sizes for the Images API have been increased to
32 MB.
- The total size of Memcache batch operations is increased to 32 MB. The 1 MB
limit on individual Memcache objects still applies.
- The attachment size for outgoing emails has been increased from 1 MB to 10 MB.
The size limit for incoming emails is still 10 MB.
- Size and quantity limits on datastore batch get/put/delete operations have
been removed. Individual entities are still limited to 1 MB, but your app may
batch as many entities together for get/put/delete calls as the overall
datastore deadline will allow for.
- When iterating over query results, the datastore will now asynchronously
prefetch results, reducing latency in many cases by 10-15%.
- The Admin Console Blacklist page lists the top blacklist rejected visitors.
- The automatic image thumbnailing service supports arbitrary crop sizes up to
1600px.
- Overall average instance latency in the Admin Console is now a weighted
average over QPS per instance.
- The developer who uploaded an app version can download that version's code
using the appcfg.py download_app command. This feature can be disabled on
a per application basis in the admin console, under the 'Permissions' tab.
Once disabled, code download for the application CANNOT be re-enabled.
- Fixed an issue where custom Admin Console pages did not work for Google
Apps for your Domain users.
- In the Python runtime, an instance is killed and restarted when a request
handler hits DeadlineExceededError. This should fix an issue related to
intermittent SystemErrors using Django.
http://code.google.com/p/googleappengine/issues/detail?id=772
- Allow Django initialization to be moved to appengine_config.py to avoid
Django version conflicts when mixing webapp.template with pure Django.
http://code.google.com/p/googleappengine/issues/detail?id=1758
- Fixed an issue with OpenId over SSL.
http://code.google.com/p/googleappengine/issues/detail?id=3393
- Fixed an issue on the dev_appserver where login/logout code didn't work using
Python 2.6.
http://code.google.com/p/googleappengine/issues/detail?id=3566
- Fixed an issue in the dev_appserver where get_serving_url did not work
for transparent, cropped PNGs:
http://code.google.com/p/googleappengine/issues/detail?id=3887
- Fixed an issue with the DatastoreFileStub.
http://code.google.com/p/googleappengine/issues/detail?id=3895
Version 1.3.8
==================================
- Builtin app.yaml handlers are available for common application functions,
such as appstats.
http://code.google.com/appengine/docs/python/config/appconfig.html#Builtin_Handlers
- The Admin Console now provides an experimental tool to delete all entities in
the datastore or all entities of a given type. This is available only if
enabled using the datastore_admin builtin. Deleting entities will count
against application quota.
http://code.google.com/appengine/docs/python/datastore/creatinggettinganddeletingdata.html#Deleting_Entities_in_Bulk
- You can run task queue tasks immediately from the Admin Console.
- You can now specify the quality of JPEG images via the Image API's
execute_transforms function. Available in production only.
- Support for login of multiple Google accounts within an app, and longer login
sessions. For more information see:
http://www.google.com/support/accounts/bin/answer.py?answer=181599
- In queue.yaml, the maximum allowed bucket size is now 100.
- Precompilation is now enabled by default. To disable, use the
--no_precompilation flag when updating your app.
- BlobInfo now has an open() method that returns a BlobReader.
- BlobReader now accepts a BlobInfo.
- Removed limits on zigzag merge-join queries. Therefore the error "The built-in
indices are not efficient enough for this query and your data. Please add a
composite index for this query." will no longer be thrown in most cases,
enabling more types of queries without indexes.
- Fixed an issue with task queue tasks not running on the dev_appserver when
using Python 2.6.
- Fixed an issue on the dev_appserver where auto task running wasn't working for
BulkAdd.
- Fixed an issue reserving App Ids by owners of similarly-named mails accounts
containing periods, multiple cases, and googlemail.com address.
http://code.google.com/p/googleappengine/issues/detail?id=1196
- Fixed an issue on the development server where PNGs were being returned as
JPEGs.
http://code.google.com/p/googleappengine/issues/detail?id=3661
Version 1.3.7
===============================
- Fix an issue where namespace_manager.google_apps_namespace() was not included
in the 1.3.6 release.
Version 1.3.6
=================================
- Multitenancy is now supported in the datastore, allowing better
compartmentalization of user data.
- Automatic image thumbnailing is now available in the Images API using
get_serving_url().
- Users can now serve custom static error pages for over_quota, dos_api_denial
and default cases.
- Results of datastore count() queries and offsets for all datastore queries
are no longer capped at 1000.
- Added a pause queue button to the task queue details page in the Admin
Console.
- Historical graphs have been added to all of the dashboard graphs in the Admin
Console.
- Content-range headers are supported on Blobstore downloads.
- Remote API now supports the Blobstore API.
- New method to allocate datastore ids in a given range: db.allocate_id_range().
- New db method is_in_transaction() determines if a transaction is still open.
- Increased several rate limited quotas for free applications.
- Fixed an issue in db.py where unindexed property lists for user-specified
property names were ignored.
- Fixed an issue where the task queue uses local time instead of UTC time to
compute job ETA.
http://code.google.com/p/googleappengine/issues/detail?id=2508
- Fixed an issue in the SDK with datastore cursors being too large.
http://code.google.com/p/googleappengine/issues/detail?id=3152
Version 1.3.5
=================================
- Developers can enable Python pre-compilation to decrease start up time for
new application instances. This can be enabled by including the
derived_file_type in your app.yaml.
- Ability to configure the Task Queue storage limit with the
total_storage_limit field in the queue.yaml file.
- Task Queues now support up to 50 qps per queue, up from 50 qps per app.
- Developers can programmatically access Blobs with BlobReader, a file-like
interface for reading blobs.
- Bulkloader transform helpers for lists and hierarchical keys were added.
- remote_api_shell commands can be sent over HTTPS or HTTP.
- Admin Console logs now include information on request time latency.
- Db.delete will now accept an iterable, in addition to a list of models or
keys.
- The datastore now supports end cursors.
- Fixed an issue properly handling a query with an offset that returns no
results.
- Fixed an issue that improperly allowed quad-dotted netmasks as subnet prefixes
for the DoS API.
- Fixed an issue via user submitted patch in the SDK dataviewer displaying
multiline StringProperties.
http://code.google.com/p/googleappengine/issues/detail?id=502
Version 1.3.4
=================================
- New bulkloader configuration syntax and wizard for easier import/export with
the datastore.
- Applications can now be configured to authenticate with OpenID by selecting
the OpenID option when creating your application in the admin console.
http://code.google.com/p/googleappengine/issues/detail?id=248
http://code.google.com/p/googleappengine/issues/detail?id=56
- New API to allow App Engine apps to act as OAuth service providers.
http://code.google.com/p/googleappengine/issues/detail?id=919
- Auto task execution is now enabled in the dev_appserver. To turn this off
use the flag --disable_task_running.
- Fixed an issue using db.put() with constructor initialized id based keys.
http://code.google.com/p/googleappengine/issues/detail?id=3209
Version 1.3.3
=================================
- A new experimental feature allows you to set dev_appserver datastore file
stub to use sqlite. To enable, set the flag --use_sqlite=true.
- It is now possible to implement properties on db.Expando.
- Fixed a datastore issue where an error was thrown when setting a query offset
to more than the number of results throws an error.
http://code.google.com/p/googleappengine/issues/detail?id=2875
- Fixed issue not allowing ByteString type to be viewed in the Development
Console datastore viewer.
http://code.google.com/p/googleappengine/issues/detail?id=1176
Version 1.3.2
=================================
- New API to read the contents of uploaded Blobs (fetch_data)
http://code.google.com/p/googleappengine/issues/detail?id=2536
- URLFetch now supports accessing ports 80-90, 440-450, and 1024-65535
- Mail API now allows common document formats as attachments
http://code.google.com/p/googleappengine/issues/detail?id=494
- The Task Queue API now supports adding multiple tasks in a single call to
Queue.add()
- Fixed charset handling for inbound emails
http://code.google.com/p/googleappengine/issues/detail?id=2326
- Fixed issue with compositing background colors in dev_appserver
- New feature in the datastore to specify whether to use strong or eventually
consistent reads (the default is strong)
- New datastore feature allows setting deadlines for operations
- Increased the maximum Task Queue refill rate from 20/s to 50/s
- Support for IP blacklisting to prevent denial of service (DoS) attacks
- Fix an issue with Mac Launcher in Mac OSX 10.5.5
http://code.google.com/p/googleappengine/issues/detail?id=778
- Fix issue with slow updates when there are many skipped files
http://code.google.com/p/googleappengine/issues/detail?id=2492
- Fix issue with cursor not updating when using a GqlQuery
http://code.google.com/p/googleappengine/issues/detail?id=2757
Version 1.3.1
================================
- Datastore Query Cursors
http://code.google.com/appengine/docs/python/datastore/queriesandindexes.html#Query_Cursors
- Transactional Task Creation
- Support for Custom Admin Console pages
- New "month" and "synchronized" syntax for Cron configuration
http://code.google.com/appengine/docs/java/config/cron.html
- Application Stats library now included in with SDK
http://code.google.com/appengine/docs/python/tools/appstats.html
- Bulk Loader supports bulk downloading all kinds simultaneously
- appcfg.py validates SSL certificates for HTTPS on Upload
- Support for ETags, If-matches, If-not-matches HTTP Headers, as well as 304
status codes now available on static files (not available on the
dev_appserver or Blobstore blobs)
http://code.google.com/p/googleappengine/issues/detail?id=575
Version 1.3.0 - December 14, 2009
================================
- Adds support for the new Blobstore API
Version 1.2.8 - October 28, 2009
================================
- New memcache offset_multi method and batch support in incr and decr.
- Urlfetch Response object now contains final_url of 302 redirects.
http://code.google.com/p/googleappengine/issues/detail?id=1464
- Additional file extensions permitted when sending mail.
http://code.google.com/p/googleappengine/issues/detail?id=494
- Fixed issue decoding messages for incoming mail.
http://code.google.com/p/googleappengine/issues/detail?id=2289
- Fixed issue with datastore list properties containing both blob (or text)
and non-blob values.
- Admin console includes more information about indexes being built.
- Fixed Users API usage with remote_api
http://code.google.com/p/googleappengine/issues/detail?id=1205
- Fixed issue with IN queries in remote_api
http://code.google.com/p/googleappengine/issues/detail?id=1986
- Bulk Loader --dump and --restore now work across app IDs.
- Bulk Loader --restore works with numeric IDs.
- Bulk Loader exporter maps __key__ property to the entity key.
- Fixed issue in Bulk Loader with missing properties on export.
http://code.google.com/p/googleappengine/issues/detail?id=2068
- Fixed issue in Bulk Loader with line breaks in data.
- Fixed exception in Bulk Loader with certain data ranges.
http://code.google.com/p/googleappengine/issues/detail?id=2085
- Added SERVER_SOFTWARE environment variable to runtime.
- Over Quota HTTP status code changed from 403 to 503
http://code.google.com/p/googleappengine/issues/detail?id=961
- Task Queue now considers all HTTP 2xx status codes to represent success
http://code.google.com/p/googleappengine/issues/detail?id=1779
- Task Queue now supports purging all tasks in a queue from the Admin Console.
http://code.google.com/p/googleappengine/issues/detail?id=2159
- Task Queue now supports deleting a non-empty queue from the Admin Console.
http://code.google.com/p/googleappengine/issues/detail?id=1740
- New "auth_fail_action: unauthorized" option in app.yaml: when present, a
401 status code will be returned instead of a 302 redirect to the Google
Accounts login page for pages with login: required. [Python only for now]
Version 1.2.7 - October 14, 2009
================================
- Changed the 'key' parameter to Model.__init__ to be keyword only.
- Fixed taskqueue import in Remote API.
http://code.google.com/p/googleappengine/issues/detail?id=2259
Version 1.2.6 - September 17, 2009
==================================
- Added incoming email support.
http://code.google.com/p/googleappengine/issues/detail?id=165
- Remote API now supports XMPP and task queues.
- The default for all handlers is now secure: optional. Users can
now access all pages via SSL unless explicitly disallowed.
- Remote API now supports HTTPS.
http://code.google.com/p/googleappengine/issues/detail?id=1461
- Appcfg now uses https by default.
http://code.google.com/p/googleappengine/issues/detail?id=794
- Appcfg.py now supports the --application and --version flags to
override the values specified in app.yaml.
http://code.google.com/p/googleappengine/issues/detail?id=670
- GQL now supports '= NULL' queries.
- The db.Model constructor now supports explicitly setting a key
(and thus an id) for a Model instance.
- New Datastore stats api. Stats are also visible in the admin console.
- Bulkloader dump and restore now supports restoring to a different
app id and restoring numeric keys.
Version 1.2.5 - August 13, 2009
===============================
- The Windows Python SDK now includes a GUI launcher, similar to the Mac SDK.
- Added XMPP support.
http://code.google.com/appengine/docs/python/xmpp
http://code.google.com/p/googleappengine/issues/detail?id=231
- Datastore now supports multiple writes to the same entity within a
transaction.
- Datastore entity key names can now start with a digit.
http://code.google.com/p/googleappengine/issues/detail?id=1352
- Datastore now supports ancestor + kind queries without a composite index
http://code.google.com/p/googleappengine/issues/detail?id=1003
- Bulkloader now supports configurationless dump and restore with new
--dump and --restore options.
- Bulkloader now supports a --dry_run flag to testing data prior to uploading.
- Appcfg.py now allows specifying any end date for request_logs.
- Urlfetch now allows setting the Referer header.
http://code.google.com/p/googleappengine/issues/detail?id=445
- Urlfetch stub now correctly handles HEAD requests.
http://code.google.com/p/googleappengine/issues/detail?id=866
- New remote_api_shell tool for interactive remote_api operations.
- New google.ext.ereporter module to collect and email exception reports.
- New google.ext.deferred module to execute ad-hoc tasks on the Task Queue.
Version 1.2.4 - July 16, 2009
=============================
- Added support for kindless queries, ie. transaction descendant queries.
http://code.google.com/p/googleappengine/issues/detail?id=913
- Composite indexes no longer required for certain types of key queries.
- Improved exception reporting in the bulkloader.
- Datastore transaction RPC sent at beginning of transaction rather than
upon first Datastore request.
- PolyModel supports keys_only query.
http://code.google.com/p/googleappengine/issues/detail?id=1630
- Remote API supports more API's (Images, Memcache and URLFetch).
http://code.google.com/p/googleappengine/issues/detail?id=1596
- Remote API shell.
- Support for multiple inheritance for Model and PolyModel.
- Enhancement to SearchableModel allowing multiple properties to be
indexed.
- Various code quality improvements.
Version 1.2.3 - June 1, 2009
============================
- Task Queue support available as google.appengine.api.labs.taskqueue.