Update processor.py

processor.py

@@ -183,31 +183,41 @@ class DatasetCommandCenter:
         """
         Retrieves value. PRIORITY: Direct Key Access (Fastest).
         """
-        if not path: return obj
-
-        # 1. Try Direct Access (Fastest, handles 99% of cases)
+        if not path: 
+            return obj
+    
+        # Handle None/empty path edge cases
+        if path is None or path == '':
+            return obj
+    
+        # 1. Try Direct Access First (handles simple column names)
+        # This works for dict, UserDict, LazyRow due to duck-typing
         try:
-            # We treat obj as a dict-like object (works for dict, UserDict, LazyRow)
-            # We DO NOT check isinstance(dict) to allow duck-typing
-            return obj[path]
-        except:
+            # For simple paths (no dots), this is all we need
+            if '.' not in path:
+                return obj[path]
+        except (KeyError, TypeError, AttributeError):
             pass
-
-        # 2. Try Dot Notation (Only if direct access failed)
+    
+        # 2. If direct access failed OR path contains dots, try dot notation
         keys = path.split('.')
         current = obj
         
         for i, key in enumerate(keys):
+            if current is None:
+                return None
+                
             try:
                 # Array/List index access support (e.g. solutions.0.code)
                 if isinstance(current, list) and key.isdigit():
                     current = current[int(key)]
                 else:
+                    # Try dictionary-style access
                     current = current[key]
-            except:
-                return None 
+            except (KeyError, TypeError, IndexError, AttributeError):
+                return None
             
-            # Lazy Parsing: Only parse string if we strictly need to go deeper
+            # Lazy Parsing: Only parse JSON string if we need to go deeper
             is_last_key = (i == len(keys) - 1)
             if not is_last_key and isinstance(current, str):
                 s = current.strip()
@@ -215,7 +225,7 @@ class DatasetCommandCenter:
                     try:
                         current = json.loads(s)
                     except:
-                        return None 
+                        return None
                         
         return current