The documentation claims that renoise.song().patterns.is_empty will “quickly check if a pattern has some pattern lines or automation.” I’m trying it on a pattern that does have automation though nothing in the Pattern Editor, but it returns true.
I think is_empty was related to pattern commands? I use ins.parameters.is_automated instead.
Looks like a mistake in the docs.
It’s easily fixable like this
renoise.Pattern.is_really_empty = property( function(obj) for _, track in pairs(obj.tracks) do if #track.automation > 0 then return false end end return obj.is_empty end ) print(renoise.song():pattern(1).is_really_empty)
Thanks for the excellent example, joule. It solved the issue and there were also few useful things for me to pick up on in there.