docs: def from_cdms2(variable):
      """Convert a cdms2 variable into an DataArray
      """
      values = np.asarray(variable)
      name = variable.id
      dims = variable.getAxisIds()
      coords = {}
      for axis in variable.getAxisList():
          coords[axis.id] = DataArray(
              np.asarray(axis), dims=[axis.id],
              attrs=_filter_attrs(axis.attributes, cdms2_ignored_attrs))
      grid = variable.getGrid()
      if grid is not None:
          ids = [a.id for a in grid.getAxisList()]
          for axis in grid.getLongitude(), grid.getLatitude():
              if axis.id not in variable.getAxisIds():
                  coords[axis.id] = DataArray(
                      np.asarray(axis[:]), dims=ids,
                      attrs=_filter_attrs(axis.attributes,
                                          cdms2_ignored_attrs))
      attrs = _filter_attrs(variable.attributes, cdms2_ignored_attrs)
      dataarray = DataArray(values, dims=dims, coords=coords, name=name,
                            attrs=attrs)
      return decode_cf(dataarray.to_dataset())[dataarray.name]