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About is a web framework for python that is as simple as it is powerful. is in the public domain; you can use it for whatever purpose with absolutely no restrictions.

  import web

  urls = (
      '/(.*)', 'hello'

  class hello:        
      def GET(self, name):
          i = web.input(times=1)
          if not name: name = 'world'
          for c in xrange(int(i.times)): print 'Hello,', name+'!'

  if __name__ == "__main__":, globals())

A complete application

Get Started 0.22 was released 2007-08-23:

To always have the latest version of, run:

bzr get
ln -s `pwd`/ .

Upgrading from an older version? Be sure to read the upgrade guide.

Who uses was originally published while Aaron Swartz worked at, where the site used it as it grew to become one of the top 1000 sites according to Alexa and served millions of daily page views. "It's the anti-framework framework. doesn't get in your way," explained founder Steve Huffman. The site was rewritten using other tools after Aaron left. is built with Jottit makes getting a website as easy as filling out a textbox., a color scheme picking site, is built in

Yandex, a Russian traffic provider whose homepage alone receives 70 million daily page views, uses for certain projects.

LShift has used to build websites for Expro and publisher Dorling Kindersley. " allows us to do what we do best," they report. "It does the webapp thing brilliantly, and without requiring us to compromise on flexibility and originality."

micropledge, a web app that collects funding for software ideas, is built in "We've enjoyed fitting in with its minimalist approach," says developer Ben Hoyt.

The bivalidator checks your HTML and CSS validation.


"In the ecosystem of web frameworks, something needs to occupy the 'small, light and fast' niche. is it."

"We completed our server rewrite a few days ago with and it was everything we could have wished for."

"Django lets you write web apps in Django. TurboGears lets you write web apps in TurboGears. lets you write web apps in Python."

  • Adam Atlas

"very nicely written and concise (not to mention it's written by Aaron Swartz, whose coding skills are very trustable), and doesn't get in my way"

  • Jonas Galvez, Blogamundo #

"the first framework ... where I could just scribble code and see something working without even having to try to understand the logic of it. A pleasure to integrate."

"Guido [van Rossum, creator of Python], you'll probably find that best suits your style. ... If you don't like it, I can't imagine which of the other dozens of frameworks out there you would like."

  • Phillip J. Eby, creator of the Python Web Server Gateway Interface (WSGI) #

"... the [Cheetah] example I saw on looks "right". ( itself OTOH gets an "F", for undocumented code with too much magic behavior. upvars(), bah.)"

  • Guido van Rossum, creator of Python #

"suffice to say I think Aaron is headed in the right direction."

"a very fascinating moment for me. The feelings just like the first time I wrote my php script ... it sure have let me learn python in the fun way. Good work aaron !" documentation: community

  • mail list: home of the discussion

  • irc channel: home of the talk development:

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