+++ This bug was initially created as a clone of Bug #24114 +++
tp_get_bus() calls exit(), which is Bad™. We can't remove it til we break ABI, but we can at least deprecate it.
pytpfarsight still uses this function; it should use tp_dbus_daemon_dup() instead.
Here's an untested patch. It compiles, at least :-)
Looks good, merged, pushed