If you are running a satellite backend system such as TVHeadEnd or MediaPortal (or MythTV, if you are one of the lucky few that can actually get it to work), and you use Kodi or the MythTV frontend, then it is possible to populate the schedule grid with listings from many sources. Note I did not say that it is easy, just that it is possible. The key is to use an external program … These are commonly referred to as “schedule grabbers”, or just “grabber” programs.
The real trick is figuring out how to use one of those programs. …..