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"""
Show and monitor available access points
"""
from gi.repository import GObject
import dbus.mainloop.glib
import NetworkManager
# Cache the ssids, as the SSid property will be unavailable when an AP
# disappears
ssids = {}
def main():
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
# Listen for added and removed access points
for dev in NetworkManager.Device.all():
if dev.DeviceType == NetworkManager.NM_DEVICE_TYPE_WIFI:
dev.OnAccessPointAdded(ap_added)
dev.OnAccessPointRemoved(ap_removed)
for ap in NetworkManager.AccessPoint.all():
try:
ssids[ap.object_path] = ap.Ssid
print("* %-30s %s %sMHz %s%%" % (ap.Ssid, ap.HwAddress, ap.Frequency, ap.Strength))
ap.OnPropertiesChanged(ap_propchange)
except NetworkManager.ObjectVanished:
pass
GObject.MainLoop().run()
def ap_added(dev, interface, signal, access_point):
ssids[access_point.object_path] = access_point.Ssid
print("+ %-30s %s %sMHz %s%%" % (access_point.Ssid, access_point.HwAddress, access_point.Frequency, access_point.Strength))
access_point.OnPropertiesChanged(ap_propchange)
def ap_removed(dev, interface, signal, access_point):
print("- %-30s" % ssids.pop(access_point.object_path))
def ap_propchange(ap, interface, signal, properties):
if 'Strength' in properties:
print(" %-30s %s %sMHz %s%%" % (ap.Ssid, ap.HwAddress, ap.Frequency, properties['Strength']))
if __name__ == '__main__':
main()
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