examples: add some python examples

examples/python/nm-state.py

@@ -0,0 +1,52 @@
+#!/bin/env python
+
+import dbus
+
+bus = dbus.SystemBus()
+
+proxy = bus.get_object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager")
+manager = dbus.Interface(proxy, "org.freedesktop.NetworkManager")
+
+# Get device-specific state
+devices = manager.GetDevices()
+for d in devices:
+    dev_proxy = bus.get_object("org.freedesktop.NetworkManager", d)
+    prop_iface = dbus.Interface(dev_proxy, "org.freedesktop.DBus.Properties")
+
+    # Get the device's current state and interface name
+    state = prop_iface.Get("org.freedesktop.NetworkManager.Device", "State")
+    name = prop_iface.Get("org.freedesktop.NetworkManager.Device", "Interface")
+
+    # and print them out
+    if state == 8:   # activated
+        print "Device %s is activated" % name
+    else:
+        print "Device %s is not activated" % name
+
+
+# Get active connection state
+manager_prop_iface = dbus.Interface(proxy, "org.freedesktop.DBus.Properties")
+active = manager_prop_iface.Get("org.freedesktop.NetworkManager", "ActiveConnections")
+for a in active:
+    ac_proxy = bus.get_object("org.freedesktop.NetworkManager", a)
+    prop_iface = dbus.Interface(ac_proxy, "org.freedesktop.DBus.Properties")
+    state = prop_iface.Get("org.freedesktop.NetworkManager.ActiveConnection", "State")
+
+    # Connections in NM are a collection of settings that describe everything
+    # needed to connect to a specific network.  Lets get those details so we
+    # can find the user-readable name of the connection.
+    con_path = prop_iface.Get("org.freedesktop.NetworkManager.ActiveConnection", "Connection")
+    con_service = prop_iface.Get("org.freedesktop.NetworkManager.ActiveConnection", "ServiceName")
+
+    # ask the provider of the connection for its details
+    service_proxy = bus.get_object(con_service, con_path)
+    con_iface = dbus.Interface(service_proxy, "org.freedesktop.NetworkManagerSettings.Connection")
+    con_details = con_iface.GetSettings()
+    con_name = con_details['connection']['id']
+
+    if state == 2:   # activated
+        print "Connection '%s' is activated" % con_name
+    else:
+        print "Connection '%s' is activating" % con_name
+
+