use new processing for variable_filter

Author: syntron

OMPython/modelica_system_abc.py

@@ -674,6 +674,7 @@ def simulate_cmd(
             override_file=result_file.parent / f"{result_file.stem}_override.txt",
             override_var=self._override_variables,
             override_sim=self._simulate_options_override,
+            variable_filter=self._variable_filter,
         )
 
         if self._inputs:  # if model has input quantities
@@ -1182,6 +1183,7 @@ def linearize(
             override_file=self.getWorkDirectory() / f'{self._model_name}_override_linear.txt',
             override_var=self._override_variables,
             override_sim=self._linearization_options,
+            variable_filter=self._variable_filter,
         )
 
         if self._inputs:

OMPython/modelica_system_omc.py

@@ -126,7 +126,7 @@ def model(
         # set variables
         self._model_name = model_name  # Model class name
         self._libraries = libraries  # may be needed if model is derived from other model
-        self._variable_filter = variable_filter
+        self.set_variable_filter(variable_filter=variable_filter, escape=True)
 
         if self._libraries:
             self._loadLibrary(libraries=self._libraries)