xarray_vars_lookup

PlasmaCalcs.tools.xarray_tools.xarray_misc.xarray_vars_lookup(ds, lookup={}, **lookup_as_kw)

return dict of {key from lookup: ds[lookup[key]]}

result vals will be None for keys not found in ds.

lookup: dict of {key: None, varname, or list of varnames}

look for these varnames in ds. if list, use first varname found.

if None, use key as varname.