python manage.py runserver
in the top level directory to get this going.
Note that the R shared library is not reentrant and hence should not accessed from multiple threads. It is also worth noting that one should not assume anything about the state of R's global workspace between requests.
Notes for Linux
gonavald and dzhibas note that on linux: you can install django, R and Rpy2 with:
sudo pip install django sudo apt-get install r-base-core sudo pip install rpy2
and to make the R shared library available:
cd /usr/lib/ sudo ln -s /usr/lib/R/lib/libR.so