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

#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2015 Red Hat, Inc.
#

import sys
import gi

gi.require_version("NM", "1.0")
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)