pyroutes is available trough pypi and is easily installed by using either pip or easy_install.
# pip install pyroutes
# easy_install pyroutes
You can follow the development version by checking out the source code from GitHub.
WARNING: There is no guarantee using the development branch won’t break your projects. You’ve been warned.
$ git clone git://github.com/klette/pyroutes.git
$ cd pyroutes
$ sudo python setup.py install