Rules for propagating attrs and encoding · Issue #1614 · pydata/xarray (original) (raw)

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Description

We need to come up with some clear rules for when and how xarray should propagate metadata (attrs/encoding). This has come up routinely (e.g. #25, #138, #442, #688, #828, #988, #1009, #1271, #1297, #1586) and we don't have a clear direction as to when to keep/drop metadata.

I'll take a first cut:

cc @shoyer (following up on #1586 (comment))