The code listings in this book can be found under chapter05 directory at https://github.com/PacktPublishing/Hands-On-Enterprise-Application-Development-with-Python.
The code samples can be cloned by running the following command:
git clone https://github.com/PacktPublishing/Hands-On-Enterprise-Application-Development-with-Python
For successful execution of the code sample, the python-virtualenv package needs to be present.