Added postProcessing flag setter

flow360/component/simulation/simulation_params.py

@@ -389,7 +389,15 @@ def initialize_variable_space(cls, value: dict):
             return value
         if isinstance(asset_cache["project_variables"], Iterable):
             for variable_dict in asset_cache["project_variables"]:
-                UserVariable(name=variable_dict["name"], value=variable_dict["value"])
+                value_or_expression = {
+                    key: value
+                    for key, value in variable_dict["value"].items()
+                    if key != "postProcessing"
+                }
+                UserVariable(
+                    name=variable_dict["name"],
+                    value=value_or_expression,
+                )
         return value
 
     # pylint: disable=no-self-argument

flow360/component/simulation/user_code/core/types.py

@@ -34,16 +34,27 @@ class VariableContextInfo(Flow360BaseModel):
 
     name: str
     value: ValueOrExpression[AnyNumericType]
-    model_config = pd.ConfigDict(extra="allow")  # For front end support
+    postProcessing: bool = pd.Field()
 
 
 def save_user_variables(params):
     """
     Save user variables to the project variables.
     Declared here since I do not want to import default_context everywhere.
     """
+    # Get all output variables:
+    post_processing_variables = set()
+    for item in params.outputs if params.outputs else []:
+        if not "output_fields" in item.__class__.model_fields:
+            continue
+        for item in item.output_fields.items:
+            if isinstance(item, UserVariable):
+                post_processing_variables.add(item.name)
+
     params.private_attribute_asset_cache.project_variables = [
-        VariableContextInfo(name=name, value=value)
+        VariableContextInfo(
+            name=name, value=value, postProcessing=name in post_processing_variables
+        )
         for name, value in default_context._values.items()  # pylint: disable=protected-access
         if "." not in name  # Skipping scoped variables (non-user variables)
     ]

tests/simulation/data/simulation.json

@@ -1386,7 +1386,8 @@
 				"value": {
 					"type_name": "number",
 					"value": 1
-				}
+				},
+				"postProcessing": false
 			}
 		]
 	}

tests/simulation/ref/simulation_with_project_variables.json

@@ -246,7 +246,8 @@
                     "type_name": "number",
                     "value": 12.0,
                     "units": "m/s"
-                }
+                },
+                "postProcessing": false
             },
             {
                 "name": "aaa",
@@ -259,7 +260,8 @@
                         null
                     ],
                     "evaluated_units": "m/s"
-                }
+                },
+                "postProcessing": false
             },
             {
                 "name": "bbb",
@@ -273,7 +275,8 @@
                     ],
                     "evaluated_units": "m/s",
                     "output_units": "km/ms"
-                }
+                },
+                "postProcessing": true
             }
         ]
     }