web2py is a Python full-stack enterprise Web framework for the agile development of fast, secure, and portable database-driven Web-based applications. It is compatible with the Google App Engine.
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Default validators now use the new define_table(....,format='...'). New get_vars and post_vars were added that are compatible in 2.5 and 2.6. A major rewrite of gql.py was done to extend DAL syntax on GAE and to support belongs. *.w2p files are no longer used. welcome.w2p is created automatically, and base apps are always upgraded. The decimal validator allows negative numbers. The 1.74.* version series will be the last with the old DAL. The new DAL is in gluon/dal.py.
