refactor

dynamicforms/fields.py

@@ -35,7 +35,24 @@
 
 
 class AutoGeneratedField(dict):
-    pass
+    def get_serializer_field(self, name, serializer, extra_params=None):
+        from rest_framework.utils import model_meta
+
+        if not hasattr(serializer, "_df_model"):
+            serializer._df_model = getattr(serializer.Meta, "model")
+        if not hasattr(serializer, "_df_info"):
+            serializer._df_info = model_meta.get_field_info(serializer._df_model)
+        if not hasattr(serializer, "_df_depth"):
+            serializer._df_depth = getattr(serializer.Meta, "depth", 0)
+
+        if extra_params is None:
+            extra_params = self
+        field_class, field_kwargs = serializer.build_field(
+            name, serializer._df_info, serializer._df_model, serializer._df_depth
+        )
+        field_kwargs.update(extra_params)
+
+        return field_class(**field_kwargs)
 
 
 class BooleanField(FieldRenderMixin, ActionMixin, FieldHelpTextMixin, ConditionalVisibilityMixin, fields.BooleanField):

dynamicforms/serializers.py

@@ -302,29 +302,14 @@ def get_uniqueness_extra_kwargs(self, field_names: List[str], declared_fields: D
         Finds all ChoiceFields and RelatedFields and creates additional "-display" fields to show
         resolved display value in table
         """
-        from rest_framework.utils import model_meta
-
-        model = getattr(self.Meta, "model")
-        depth = getattr(self.Meta, "depth", 0)
-        info = None
-
-        def _get_info():
-            nonlocal info
-            if info is None:
-                info = model_meta.get_field_info(model)
-            return info
-
         for field_name in field_names[:]:
             # existing extra as provided by get_extra_kwargs
             extra = extra_kwargs.get(field_name, dict())
 
             # serializer field: either what is declared as a Field instance in Serializer or AutogeneratedField
             s_field = declared_fields.get(field_name, getattr(self, field_name, None))
             if isinstance(s_field, fields.AutoGeneratedField):
-                field_class, field_kwargs = self.build_field(field_name, _get_info(), model, depth)
-                field_kwargs.update(extra)
-
-                s_field = field_class(**field_kwargs)
+                s_field = s_field.get_serializer_field(field_name, self, extra)
 
             # model field, if it exists
             try: