#!/usr/bin/env python

# SPDX-License-Identifier: GPL-2.0-or-later

#

# Copyright (C) 2011 - 2012 Red Hat, Inc.

#

import dbus, sys

# This example indicates whether the default network connection is known to be WWAN

bus = dbus.SystemBus()

# Exit early if NetworkManager is not running

proxy = bus.get_object("org.freedesktop.DBus", "/org/freedesktop/DBus")

busdaemon = dbus.Interface(proxy, "org.freedesktop.DBus")

if not busdaemon.NameHasOwner("org.freedesktop.NetworkManager"):

    print("NetworkManager not running")

    sys.exit(1)

# Get a proxy for the NetworkManager object

proxy = bus.get_object(

    "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager"

)

props = dbus.Interface(proxy, "org.freedesktop.DBus.Properties")

# Shortcut #1, for NM 1.0

try:

    ctype = props.Get("org.freedesktop.NetworkManager", "PrimaryConnectionType")

    if ctype == "":

        print("No active connection")

    elif ctype in ["gsm", "cdma", "bluetooth"]:

        print("WWAN is default")

    else:

        print("WWAN is not default")

        sys.exit(0)

except KeyError:

    pass