A web2py book is out too:

Here is a sample:

Here are some videos:

version 1.40 includes:

- Database Abstraction Layer for SQLite, MySQL, PostgreSQL, MSSQL, FireBird, Oracle, and the Google App Engine.

- More handlers for wsgi, fastcgi, mod_python and cgi (for the google app engine).

- Setup scripts for production deployment.

SUPER EASY

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Here is an example of a complete minimalist web app:

def index(): return "Hello World"

Here is an example of a complete minimalist web app with a counter:

def index():

session.counter=session.counter+1 if session.counter else 1

return dict(counter=session.counter)

EXPRESSIVE

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Here is an example of a complete app that asks your name and greats you with an AJAX flash message:

def index():

form=FORM(INPUT(_name='your_name',requires=IS_NOT_EMPTY()),INPUT(_type='submit'))

if form.accepts(request.vars): response.flash='Hello '+form.vars.your_name

return dict(form=form)

POWERFUL

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Here is an example of a complex query (nested select):

rows=db(db.table1.field1.belongs(db()._select(db.table2.field2)).select(orderby=db.table1.field2,limitby=(10,20))

a left join:

rows=db().select(db.table1.ALL,db.table2.ALL,left=db.table2.on(db.table1.field1==db.table2.field2))

Have fun!

Massimo