Update get_axis_coords() to return copy of coords not memory ref

xCDAT · Sep 26, 2022 · ec0bb8b · ec0bb8b
1 parent 1371626
commit ec0bb8b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/xcdat/axis.py b/xcdat/axis.py
@@ -114,7 +114,9 @@ def get_axis_coord(
             "attr set."
         )
 
-    dim_coords = obj[dim_coord_keys if len(dim_coord_keys) > 1 else dim_coord_keys[0]]
+    dim_coords = obj[
+        dim_coord_keys if len(dim_coord_keys) > 1 else dim_coord_keys[0]
+    ].copy()
 
     return dim_coords
 
@@ -137,6 +139,7 @@ def get_axis_dim(obj: Union[xr.Dataset, xr.DataArray], axis: CFAxisKey) -> str:
     str
         The dimension for an axis.
     """
+    # FIXME: This breaks if xr.Dataset because there can be multiple dim names.
     return str(get_axis_coord(obj, axis).name)