added prefix option

Author: toniopoggi

Preparation/JSON/Expand_Fields/manifest.json

@@ -45,6 +45,16 @@
             "width": "ONE",
             "@visokiotype": "CustomBlockSchema.BooleanCustomBlockPublicOption",
             "defaultValue": true
+        },
+        {
+            "name": "fieldPrefix",
+            "title": "Expanded Fields Prefix",
+            "description": "Optional",
+            "groupTitle": null,
+            "width": "ONE",
+            "@visokiotype": "CustomBlockSchema.TextCustomBlockPublicOption",
+            "mandatory": false,
+            "defaultValue": null
         }
     ],
     "blockOutputs": [

Preparation/JSON/Expand_Fields/script.py

@@ -11,12 +11,16 @@
 # Get options
 jsonField = omniscope_api.get_option("jsonField")
 includeInput = omniscope_api.get_option("includeInput")
+prefix = omniscope_api.get_option("fieldPrefix")
+
+if prefix is None: 
+   prefix = ""
 
 # Function to parse JSON and add prefix to keys
 def parse_json(row, jsonField):
     try:
         json_dict = json.loads(row[jsonField])
-        return {f"{jsonField}_{k}": v for k, v in json_dict.items()}
+        return {f"{prefix}{k}": v for k, v in json_dict.items()}
     except (json.JSONDecodeError, TypeError):
         return {}