Looking at this a bit more it appears to be a bit of a can of worms. It appears that the dbus activation sytem
is launching the daemon with a almost empty env:
environ(
{'DBUS_STARTER_BUS_TYPE': 'system',
'DBUS_STARTER_ADDRESS': 'unix:path=/var/run/dbus/system_bus_socket'})
which means that even the systemwide default language is not set.
Looking at this a bit more it appears to be a bit of a can of worms. It appears that the dbus activation sytem STARTER_ BUS_TYPE' : 'system', STARTER_ ADDRESS' : 'unix:path= /var/run/ dbus/system_ bus_socket' })
is launching the daemon with a almost empty env:
environ(
{'DBUS_
'DBUS_
which means that even the systemwide default language is not set.