Pyramid is an open source web framework written in Python and is based on WSGI. It is a minimalistic web framework inspired by Zope, Pylons and Django.
When You Need Pyramid
Megaframeworks make decisions for you. But if you don't fit their viewpoint, you end up fighting their decisions.
Microframeworks force no decisions, making it easy to start. But as your application grows, you're on your own. More Info »
In both cases, the focus is on the start: either too much or too little. Either way, finishing and staying finished is hard. You need a finishing-focused framework with an architectural design that scales down to getting started, then up as your application grows.
Pyramid was made for just this. It's a Goldilocks Solution: not too small, not too big, just right.
Pyramid The Start Small, Finish Big, Stay Finished Framework.