fix python built-in var conflict

ml/dt_factory.py

 """ This module implements a factory for managing and creating Digital Twins according to Forest Modeling Language 4.0."""
 
 from ml.app_logger import APP_LOGGER
-from ml.tools import remove_namespace
+from ml.tools import remove_namespace, check_var_conflict
 from ml.ditto_feature import ditto_feature
 from ml.thing import Thing
 from ml.ml40.roles.servives.service import Service
@@ -308,7 +308,7 @@ def build_feature(feature):
             elif key == "subFeatures":
                 build_sub_features(feature_instance, feature)
             else:
-                setattr(feature_instance, key, feature[key])
+                setattr(feature_instance, check_var_conflict(key), feature[key])
     return feature_instance
 
 

ml/tools.py

@@ -4,7 +4,8 @@
 import os
 
 IDENTITY_PROVIDER_URL = "https://idp.s3i.vswf.dev/"
-
+BUILT_IN = ["from", "str", "dict", "list", "bool", "float", "int", "tuple",
+               "def", "return", "for", "if", "class", "try", "except"]
 
 class BColors:
     """colors for the console log"""
@@ -156,3 +157,16 @@ def remove_namespace(input_str):
 
     """
     return input_str.replace("fml40::", "").replace("ml40::", "")
+
+
+def check_var_conflict(var):
+    """
+    check if the input is built-in variable
+    :param var: python var
+    :return: modified variable, if the input is a input variable.
+    """
+
+    if var in BUILT_IN:
+        return "_{}".format(var)
+    else:
+        return var
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