Test to get information from devices mounted/unmounted with udev

1 files changed, 63 insertions, 0 deletions

diff --git a/udisks_test.py b/udisks_test.py
new file mode 100644
index 0000000..0b65fdb
--- /dev/null
+++ b/udisks_test.py
@@ -0,0 +1,63 @@
+# From http://moserei.de/2010/01/08/accessing-devicekit-with-dbus-and-python.html
+
+
+import dbus
+import gobject
+from dbus.mainloop.glib import DBusGMainLoop
+
+def get_props_from_device(device):
+    # http://hal.freedesktop.org/docs/udisks/Device.html
+    device_obj = bus.get_object('org.freedesktop.UDisks', device)
+    device_props = dbus.Interface(device_obj, dbus.PROPERTIES_IFACE)
+    props = {}
+    props['mounted'] = device_props.Get('org.freedesktop.UDisks.Device',
+            'DeviceIsMounted')
+    if props['mounted'] > 0:
+        props['mount_path'] = device_props.Get('org.freedesktop.UDisks.Device',
+                'DeviceMountPaths')[0]
+        props['removable'] = device_props.Get('org.freedesktop.UDisks.Device',
+                'DeviceIsRemovable')
+        props['label'] = str(device_props.Get('org.freedesktop.UDisks.Device',
+                'IdLabel'))
+        return props        
+    return None
+
+def device_changed_callback(device):
+    print 'Device %s was changed' % (device)
+    props = get_props_from_device(device)
+    if props is not None:
+        print 'Device was mounted in %s label %s' % (props['mount_path'], props['label'])
+        devices[device] = props
+    else:
+        if device in devices:
+            props = devices[device]
+            print 'Device was unmounted from %s' % props['mount_path']
+            del devices[device]
+
+
+#must be done before connecting to DBus
+DBusGMainLoop(set_as_default=True)
+
+bus = dbus.SystemBus()
+proxy = bus.get_object("org.freedesktop.UDisks", 
+                       "/org/freedesktop/UDisks")
+iface = dbus.Interface(proxy, "org.freedesktop.UDisks")
+
+print "Devices:"
+
+devices = {}
+
+for device in proxy.EnumerateDevices():
+    props = get_props_from_device(device)
+    if props is not None:
+        print 'Device mounted in %s' % props['mount_path']
+        devices[device] = props
+
+
+iface.connect_to_signal('DeviceChanged', device_changed_callback)
+
+#start the main loop
+mainloop = gobject.MainLoop()
+mainloop.run()
+
+