ECC-2072: high-level 'get' function should return default value if key is not implemented

Author: shahramn

eccodes/highlevel/message.py

@@ -17,7 +17,7 @@ def raise_keyerror(name):
     """Make operations on a key raise a KeyError if not found"""
     try:
         yield
-    except eccodes.KeyValueNotFoundError:
+    except (eccodes.KeyValueNotFoundError, eccodes.FunctionNotImplementedError):
         raise KeyError(name)
 
 

tests/test_highlevel.py

@@ -44,6 +44,9 @@ def test_message_get():
         assert message["gridType:int"] == 0
         with pytest.raises(KeyError):
             message["invalid"]
+        with pytest.raises(KeyError):
+            message["gridSpec"]
+        assert message.get("gridSpec", dummy_default) is dummy_default
         # keys set as MISSING
         assert message.is_missing(known_missing)
         assert message.get(known_missing) is None