askUdisks2.py

def askUdisks2():
    """
    Ask udisks2 via D-Bus for the mount point of the first automounted usb device.
    """
    bus = dbus.SystemBus()
    udisks2obj = bus.get_object('org.freedesktop.UDisks2', '/org/freedesktop/UDisks2')
    udisks2om = dbus.Interface(udisks2obj, 'org.freedesktop.DBus.ObjectManager')
    udisks2 = udisks2om.GetManagedObjects()
    
    def findBlockDevice(drive,objects):
        for k in objects.keys():
         #   try:
            if 'org.freedesktop.UDisks2.Block' in [str(x) for x in objects[k].keys()]:
                if drive in objects[k]['org.freedesktop.UDisks2.Block']['Drive']:
                    if "filesystem" in objects[k]['org.freedesktop.UDisks2.Block']['IdUsage']:
                        return k

    def findUsbMount(objects):
        for k in objects.keys():
         #   try:
            if 'org.freedesktop.UDisks2.Drive' in [str(x) for x in objects[k].keys()]:
                print(objects[k]['org.freedesktop.UDisks2.Drive']['ConnectionBus'])
                if 'usb' in objects[k]['org.freedesktop.UDisks2.Drive']['ConnectionBus']:
                    fs = dbus.Interface(bus.get_object('org.freedesktop.UDisks2',  findBlockDevice(k,udisks2)), 'org.freedesktop.UDisks2.Filesystem')
                    fsprop = dbus.Interface(fs, 'org.freedesktop.DBus.Properties')
                    for m in  fsprop.Get('org.freedesktop.UDisks2.Filesystem', 'MountPoints'):
                        return ''.join([chr(x) for x in m if x])

           # except:
            #    pass
    def findPartitionDevice(partition, objects):
        table = objects[partition]['org.freedesktop.UDisks2.Partition']['Table']
        blockdev = objects[table]['org.freedesktop.UDisks2.Block']['Device']
        return ''.join([chr(x) for x in blockdev if x])
    return findUsbMount(udisks2)