examples: group python examples - dbus vs. gi

Move examples using dbus-python ('dbus' module) and GObject introspection into
their own directories.

examples/python/gi/device-state-ip4config.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+#
+# vim: ft=python ts=4 sts=4 sw=4 et ai
+# -*- Mode: Python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright (C) 2012 Red Hat, Inc.
+#
+
+import sys
+from gi.repository import GObject, NetworkManager, NMClient
+
+#
+#  This example shows how to get NMIP4Config from NMDevice after it is activated.
+#   
+#  We listen to notify::ip4-config glib signal. This signal is trigered by D-Bus
+#  PropertiesChanged for IP4Config that comes after StateChanged for NMDevice.
+#
+
+main_loop = None
+    
+def do_notify(self, property):
+    print "notify: %s" % property
+    ip4cfg = self.get_ip4_config()
+    if ip4cfg is not None:
+        print "ip4-config: %s" % ip4cfg.get_path()
+        main_loop.quit()
+
+def state_changed(obj, arg1, arg2, arg3):
+    print "State changed: New: %d, Old: %d, Reason: %d" % (arg1, arg2, arg3)
+    # Device is connected
+    if arg1 == 100:
+        obj.connect('notify::ip4-config', do_notify)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        sys.exit('Usage: %s <interface>' % sys.argv[0])
+    dev_iface = sys.argv[1]
+
+    c = NMClient.Client.new()
+    dev = c.get_device_by_iface(dev_iface)
+    if dev is None:
+        sys.exit('Device \'%s\' not found' % dev_iface)
+    print "Device: %s - %s" % (dev_iface, dev.get_device_type().value_name)
+    print "---------------------------------------"
+
+    dev.connect('state-changed', state_changed)
+    main_loop = GObject.MainLoop()
+    main_loop.run()
+