hdyson

Can I propose another possible solution? Black allows ignoring sections of code, via `fmt:off/fmt:on` or `fmt:skip` comments: https://black.readthedocs.io/en/stable/the_black_code_style/current_style.html#code-style An approach like this may be something to consider, since it lets...

> it is more likely that a user argument should be provided... I think that makes a great deal of sense to me. The current behaviour has iris doing exactly...

@trexfeathers, @bjlittle Thanks - you're both spot on. It is functionality we would like, but it's not something that's being actively worked on by us.

So does this mean that using a callback to validate the data being loaded is a bad idea? Rather than "validate during load", should we doing an approach of "load...

> What was the original thinking, why you do it this way ? For our work on UG-ANTS, we want to validate that people are loading cubes with meshes for...

I'm happy, we've deprecated and retired the functionality that relied on this 👍 The only thing that will break that I care about is some of the material I use...

Just flagging this in case it's an oversight: since when I first read this, I assumed it would only involve changes in `iris.experimental`: > So maybe we can be bold...

> @hdyson also registered an interest in `relevel` yesterday, in whatever form is most appropriate. Yeah, that "whatever form" is the key from our perspective here. We currently use stratify...

Sounds good to me. 👍 I was in a meeting yesterday with @stephenworsley and got the impression that iris-esmf-regrid did not have support for offline weights. If the solution is...

Just to raise that we've encountered this issue in the wild with an additional dataset beyond the one from the original comment here. I'm happy to share the path for...