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artifact.py

@@ -207,7 +207,7 @@ class Artifact(Dataclass):
 
     @final
     def __pre_init__(self, **kwargs):
-        self._init_dict = deepcopy(kwargs)
+        self._init_dict = get_raw(kwargs)
 
     @final
     def __post_init__(self):
@@ -232,6 +232,22 @@ class Artifact(Dataclass):
         save_json(path, data)
 
 
+def get_raw(obj):
+    if isinstance(obj, Artifact):
+        return obj._to_raw_dict()
+
+    if isinstance(obj, tuple) and hasattr(obj, "_fields"):  # named tuple
+        return type(obj)(*[get_raw(v) for v in obj])
+
+    if isinstance(obj, (list, tuple)):
+        return type(obj)([get_raw(v) for v in obj])
+
+    if isinstance(obj, dict):
+        return type(obj)({get_raw(k): get_raw(v) for k, v in obj.items()})
+
+    return deepcopy(obj)
+
+
 class ArtifactList(list, Artifact):
     def prepare(self):
         for artifact in self: