Best way for me to write rules in OpenHAB 3

[rpwong (Russ)]

I suggest changing your post to be “Best way for me to write rules in openHAB 3”. Just to make this a little less general.

Anyway, this comes up a lot. Rich made a handy chart that I can’t find right now, so I’m just going to cut to the chase since you’re a Python developer:

HABApp 1.0

After lots of work (probably 200-300 hours or more) I am proud to announce HABApp 1.0.0. This is a huge release which major internal refactoring. This introduces the following breaking changes: openHAB >= 3.3 and Python >= 3.8. self.listen_event now requires an instance of EventFilter. Changelog Startup issues are gone with a new and improved connection mechanism. Big thanks to @j-n-k who did all the work on the openhab side. HABApp now only works with OH3.3! New configuration library: M…

HABApp runs separately from OH, but integrates nicely with openHAB via the REST API.

FYI, Rules DSL is more than just “seems” deprecated. It will continue to exist in OH3 for legacy purposes, but new users are not encouraged to learn it.