So far I’ve been writing all my rules using Rules DSL. Is it going to continue to be supported by OpenHAB in the future? I read some comments about making JSR the default. What would that mean for me and my rules? Should I spend time to learn Jython and convert my rules there now? I’m asking this …

I think it is really worth switching to Jython as soon as you can. You’ll unleash the power of OH compared to DSL rules.

Then there’s the question of Jython vs Javascript vs something else.

It will depend where you’re already comfortable with. Jython is the more document of the various scripting languages offered by JSR223, so I took it. It is quite easy to learn.

OH3 is “tomorrow” and still fluid, but you’re working today. No-one will force you to move to OH3. Existing OH1 systems are still running today. Most users here are still developing in DSL. Long winded way to say I wouldn’t worry about continuing in DSL for now. Undecided but almost certain to b…

[image] jimtng: Should I spend time to learn Jython and convert my rules there now? There is no harm in checking it out. Chances are, you will wonder why you stuck with the DSL for so long. The new rule engine is an evolution… and supporting both would be wasteful. So, it’s just a matter of t…

I’m going to recommend moving to JSR as soon as possible for a different reason. Notice how right now there are lots and lots of examples for Rules DSL on this forum and elsewhere. But you still need to copy/paste/edit to use in your own system. With the NGRE which includes both UI developed rules a…

[image] rlkoshak: In fact, the concept is that rules will be found and installed exactly like bindings through the UI. Thank you everyone for your suggestions and input. Boy, am I glad I asked! The point above about downloadable rules, sounds really great. That almost sounds like Node Red in …

[image] jimtng: However, it appears that Jython is the leading and most popular scripting for openhab and hence it is the most “feature complete” of the two? You can do anything that can be done in OH in any of the three languages. The only way that Python is ahead is the Helper Library is mo…

Thank you @rlkoshak for your detailed and considered reply, as always. You are truly a very valuable member of the OpenHAB community. @5iver how can I know when your improvement is ready to use, i.e. where can I check? I haven’t got a clue yet how to start setting up for jython, but I will spend so…

[image] jimtng: I haven’t got a clue yet how to start setting up for jython That’s why Scott wants you to wait. When this change is done all you have to do is install it like any other add-on.

Is RulesDSL here to stay?

Setup, Configuration and Use Scripts & Rules

5iver (Scott Rushworth) December 1, 2019, 12:35pm 14