issue_comments: 1183534601

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https://github.com/pydata/xarray/issues/6680#issuecomment-1183534601 https://api.github.com/repos/pydata/xarray/issues/6680 1183534601 IC_kwDOAMm_X85Gi04J 4502 2022-07-13T18:17:05Z 2022-07-13T18:17:05Z NONE

Thanks, that looks interesting, although sounds like it's addressing a slightly different problem; I'm not so much interested in validation of external inputs, more just in having some basic datatypes that can be used to specify dims/shape/coords as templates for DataArray / Datasets internally within my codebase.

Some things I'm looking for but don't appear to be supported: * Support for specifying coords * __hash__, __eq__ etc for the Schema objects * Convenient APIs to alter and combine these Schemas in similar ways to what can be done with DataArray / Datasets themselves, e.g. adding/removing dimensions, broadcasting against eachother etc -- perhaps mirroring APIs like expand_dims that can be used on DataArray / Dataset themself, to the extent this makes sense.

Feels to me that it would make sense to have these basic datatypes inside xarray, perhaps with something like xarray-schema providing extra validation helpers etc on top of them? But just my 2 cents :)

 
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