Proof of concept
Testing PyReact + Tornado + Motor + Jinja2 + reactjs
$ mkdir tornado_react && cd tornado_react
$ virtualenv --no-site-packages -p python3.4 .
$ source bin/activate
$ git clone https://github.com/slothyrulez/tornado_react.git
$ svn checkout http://v8.googlecode.com/svn/trunk/ v8
$ svn checkout http://pyv8.googlecode.com/svn/trunk/ pyv8
$ cd v8
$ export V8_HOME=`pwd`
$ cd ../pyv8
$ python setup.py build && python setup.py install
$ cd ..
$ pip install -r requirements.txt