Add conversion of dict to string during Qtable construction (spacetelescope#348)

Author: stscieisenhamer

CHANGES.rst

@@ -5,6 +5,8 @@
 
 - Replaced the previous test for ``schema_info`` with something more robust. [#344]
 
+- Add conversion of dict to string during Qtable construction [#348]
+
 0.19.1 (2024-04-04)
 ===================
 

src/roman_datamodels/datamodels/_datamodels.py

@@ -90,7 +90,7 @@ def append_individual_image_meta(self, meta):
 
                     subtable_cols.append(subkey)
 
-                    if isinstance(subvalue, list):
+                    if isinstance(subvalue, (list, dict)):
                         subtable_vals.append([str(subvalue)])
                     else:
                         subtable_vals.append([subvalue])
@@ -105,11 +105,13 @@ def append_individual_image_meta(self, meta):
                 else:
                     # Append to existing table
                     self.meta.individual_image_meta[key].add_row(subtable_vals)
+            # Skip non-schema metas
+            elif isinstance(value, dict):
+                continue
+            # Skip ndarrays
+            elif isinstance(value.strip(), asdf.tags.core.ndarray.NDArrayType):
+                continue
             else:
-                # Skip ndarrays
-                if isinstance(value.strip(), asdf.tags.core.ndarray.NDArrayType):
-                    continue
-
                 # Store Basic keyword
                 basic_cols.append(key)