Django或web.py，哪个用Python构建大型网站更好？

I'd like to use Python to build a website with more than 100,000 PV each day. Now what I concern is to choose which web framework. I know lots of people use Django, and some people use web.py. Django seems powerful, and I also like the simplicity of web.py. Which framework should I use? (Please introduce the performance and the maintenance complexity, thanks!) Can web.py build complicated applications? Are there other frameworks better than these two?I'd like to use Python to build a website with