"""
A Space Invaders game using SQLite as the state machine.
Originally developed in 2012. Adapted to work in Python 3.
Runs in a textual console using ASCII art.
.. image:: space_invaders.jpg
To run::
python -m examples.space_invaders.space_invaders
While it runs, watch the SQL output in the log::
tail -f space_invaders.log
enjoy!
.. autosource::
"""