You will need to install the following requirements:
$ sudo apt-get install python graphviz $ sudo easy_install ply
$ sudo yum install python graphviz $ sudo easy_install ply
Mac OS X
You will need to download and install MacPorts before following these instructions.
$ sudo port install graphviz $ sudo easy_install ply
You will need to download the source code:
Once you have downloaded the source code, you can directly modify and execute the