Function get_indexes

xarray/structure/concat.py:737–746

(name)

    # TODO: (benbovy - explicit indexes): check index types and/or coordinates
    # of all datasets?
    def get_indexes(name):
        for ds in datasets:
            if name in ds._indexes:
                yield ds._indexes[name]
            elif name == dim_name:
                var = ds._variables[name]
                if not var.dims:
                    data = var.set_dims(dim_name).values
                    if create_index_for_new_dim:
                        yield PandasIndex(data, dim_name, coord_dtype=var.dtype)

    # create concatenation index, needed for later reindexing
    # use np.cumulative_sum(concat_dim_lengths, include_initial=True) when we support numpy>=2