About using HAL (Hardware Abstraction Layer) to get the list of mount points.
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This [http://davyd.livejournal.com/206645.html article] explain how to use HAL from python.

This [https://www.dfwpython.org/repo/Projects/DBUS/dtest.py python scripts] communicates with HAL trouch DBUS and uses the 'org.freedesktop.Hal.Device.Volume' name.

=Dependencies=
Using this method will add some dependencies:
 * hal ?
 * libhal1
 * dbus python module 

