examples/list-system-services.py: Make more exemplary

1 files changed, 9 insertions, 5 deletions

diff --git a/examples/list-system-services.py b/examples/list-system-services.py
index 0474574..5cf619f 100644
--- a/examples/list-system-services.py
+++ b/examples/list-system-services.py
@@ -15,25 +15,29 @@ def main(argv):
     elif len(argv) == 2:
         if argv[1] == '--session':
             factory = dbus.SessionBus
-        elif argv[1] != 'system':
+        elif argv[1] != '--system':
             sys.exit(__doc__)
 
     # Get a connection to the system or session bus as appropriate
     # We're only using blocking calls, so don't actually need a main loop here
     bus = factory()
 
+    # This could be done by calling bus.list_names(), but here's
+    # more or less what that means:
+
     # Get a reference to the desktop bus' standard object, denoted
-    # by the path /org/freedesktop/DBus. 
-    dbus_object = bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
+    # by the path /org/freedesktop/DBus.
+    dbus_object = bus.get_object('org.freedesktop.DBus',
+                                 '/org/freedesktop/DBus')
 
     # The object /org/freedesktop/DBus
     # implements the 'org.freedesktop.DBus' interface
     dbus_iface = dbus.Interface(dbus_object, 'org.freedesktop.DBus')
 
     # One of the member functions in the org.freedesktop.DBus interface
-    # is ListServices(), which provides a list of all the other services
+    # is ListNames(), which provides a list of all the other services
     # registered on this bus. Call it, and print the list.
-    services = dbus_object.ListNames()
+    services = dbus_iface.ListNames()
     services.sort()
     for service in services:
         print service