feat: add new get_root_option function

src/rougail/convert/__init__.py

@@ -37,18 +37,21 @@ class Rougail(UserDatas):
         self.converted = RougailConvert(self.rougailconfig)
         self.config = None
 
+    def get_root_option(self):
+        tiram_obj = self.converted.save()
+        optiondescription = {}
+        custom_types = {
+            custom.__name__: custom
+            for custom in self.rougailconfig["custom_types"].values()
+        }
+        exec(tiram_obj, custom_types, optiondescription)  # pylint: disable=W0122
+        return optiondescription["option_0"]
+
     def run(self):
         """Get Tiramisu Config"""
         if not self.config:
-            tiram_obj = self.converted.save()
-            optiondescription = {}
-            custom_types = {
-                custom.__name__: custom
-                for custom in self.rougailconfig["custom_types"].values()
-            }
-            exec(tiram_obj, custom_types, optiondescription)  # pylint: disable=W0122
             self.config = Config(
-                optiondescription["option_0"],
+                self.get_root_option(),
                 display_name=tiramisu_display_name,
             )
             self.config.property.read_write()