下载地址:http://code.google.com/appengine/downloads.html
App Engine SDK - Release Notes
Version 1.2.1 - April 22, 2009- Stable, unique IDs for User objects. The Users service now provides a unique user_id for each user that stays the same even if a user changes her email address.
- The Images API now supports compositing images and calculating a color histogram for an image.
- New allowed mail attachment types: ics, vcf
- Urlfetch requests can now set the User-Agent header.
- An App Engine-specific version of the Python PyCrypto cryptography library is now available. Learn more at http://code.google.com/appengine/docs/python/tools/libraries.html
- The bulk loader configuration format has changed to allow non-CSV input. This change is not backwards compatible, so you will need to update your code. An early release of the bulk downloader is also now available in bulkloader.py. Learn more about these changes at: http://code.google.com/appengine/docs/python/tools/uploadingdata.html
- Fixed parsing of unicode GQL queries.
- Fixed dev_appserver security restrictions for os.path
- Fixed Reply-To header set in emails sent from dev_appserver.
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