[Pythonmac-SIG] detecting mounted disks

[Henning Hraban Ramm]

How can I detect if an entry in MacOSX's /Volumes (or more generally:  
any mount point in a UNIX-like OS) is...
- a local harddisk
- a network volume
- a CD/DVD-ROM
- something other (USB stick...)
?

I guess I could get some info from 'mount', but isn't there already a  
Python function?
o.path's ismount and isdir aren't enough.

Greetlings from Lake Constance!
Hraban
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