Demo is in Python 2.7. A Full Python sandboxing implementation for the Python 3.6 version is a WIP.

1. To create a much more secure Python Environment, consider using RestrictedPython: https://github.com/ethanchewy/OnlinePythonLinterSyntaxChecker/tree/restrictedpython

2. For more security but enough flexibility, you could restrict the temp.py python file without read/write permissions via these instuctions: http://stackoverflow.com/questions/186202/what-is-the-best-way-to-open-a-file-for-exclusive-access-in-python

I made this so that MOOCs like edX or codecademy could easily embed and use this on their courses so students wouldn't have to go through the frustrations of setting up a Python environment and jump right into Python programming with the support of live syntax checking & highlighting.(Programming MOOCs often have a high attrition rate due to the difficulties of setting up an environment). Also, professors and teachers could easily set up a server and allow students to quickly test out their code with PythonBuddy online.

If you want to actually execute the python safely look at my Restricted Python branch: https://github.com/ethanchewy/PythonBuddy/tree/restrictedpython. If you want to run the code more quickly, check out the testing branch which uses Python 3 but may have some bugs: https://github.com/ethanchewy/PythonBuddy/tree/testing.