This is the code for my talk 'Discovering Descriptors' at Europython 2012.

To run the code, get hold of prescons.py (a "pseudo-interactive" python
interpreter) from https://github.com/inglesp/prescons, and run with:

  $ python3 prescons.py descriptors.py

There is a video of the talk here:

  https://ep2012.europython.eu/conference/talks/discovering-descriptors