USB device changes using udev and D-Bus

pyudev – pure Python libudev binding¶

http://pyudev.readthedocs.org/en/v0.15/index.html

USB device changes using udev and D-Bus

http://askubuntu.com/questions/27948/usb-device-changes-using-udev-and-d-bus

Accessing DeviceKit with DBus and Python

http://moserei.de/2010/01/08/accessing-devicekit-with-dbus-and-python.html