# Ubuntu 11.04
sudo apt-get install build-essential libevent-dev libyaml-dev mercurial

# Install libevent ( For OSX )
tar -vzxf libevent-1.4.14b-stable.tar.gz 
cd libevent-1.4.14b-stable
./configure --prefix=/usr/local
make -j4
sudo make install

git clone async-web
cd async-web
virtualenv --no-site-packages .
source bin/activate

pip install gevent
pip install pip