examples: add python GI example for retrieving LLDP neighbors

examples/python/gi/get-lldp-neighbors.py

@@ -0,0 +1,52 @@
+#!/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) 2015 Red Hat, Inc.
+#
+
+import sys
+from gi.repository import GLib, NM
+
+#  This example shows how to get a list of LLDP neighbors for a given interface.
+
+main_loop = None
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        sys.exit('Usage: %s <interface>' % sys.argv[0])
+    dev_iface = sys.argv[1]
+
+    c = NM.Client.new(None)
+    dev = c.get_device_by_iface(dev_iface)
+    if dev is None:
+        sys.exit('Device \'%s\' not found' % dev_iface)
+
+    neighbors = dev.get_lldp_neighbors()
+    for neighbor in neighbors:
+        ret, chassis = neighbor.get_attr_string_value('chassis-id')
+        ret, port = neighbor.get_attr_string_value('port-id')
+        print "Neighbor: %s - %s" % (chassis, port)
+        for attr in neighbor.get_attr_names():
+            attr_type = neighbor.get_attr_type(attr)
+            if attr_type.equal(GLib.VariantType.new('s')):
+                ret, value = neighbor.get_attr_string_value(attr)
+                print "  %-32s: %s" % (attr, value)
+            elif attr_type.equal(GLib.VariantType.new('u')):
+                ret, value = neighbor.get_attr_uint_value(attr)
+                print "  %-32s: %u" % (attr, value)