Python Twitter Tools (PTT) includes a Twitter API, command-line tool, and IRC
bot. It is developed by Mike Verdone and the Python Twitter Tools developer
team.

The Minimalist Twitter API for Python is a Python API for Twitter, everyone's
favorite Web 2.0 Facebook-style status updater for people on the go. Also
included is a twitter command-line tool for getting your friends' tweets and
setting your own tweet from the safety and security of your favorite shell.
Also included is an IRC bot that can announce Twitter updated to an IRC
channel.