Add semantic_ids

demos/demo2/demo2_dzwald.py

 import os, sys, inspect
+import re
 from typing import List
 
 import basyx
@@ -374,6 +375,44 @@ def create_aas():
         waldweg,
         zu_faellende_baeume,
     ]
+
+    def remove_iteration_ending(val: str):
+        # remove iteration ending like {00}
+        val = re.sub(r'\{\d+\}$', '', val)
+        # remove one or more digits at the end
+        val = re.sub(r'_?\d+$', '', val)
+        return val
+
+    def set_semantic_id(referable: model.SubmodelElement):
+        # example = "https://admin-shell.io/kwh40/forestml40/Waldweg/0/1/Beschreibung"
+
+        if isinstance(referable, model.Submodel):
+            base = "https://admin-shell.io/kwh40/forestml40"
+            postfix = f"{referable.id_short}/0/1"
+        else:
+            base = referable.parent.semantic_id.key[0].value
+            postfix = remove_iteration_ending(referable.id_short)
+
+        referable.semantic_id = model.GlobalReference(
+            (basyx.aas.model.Key(model.KeyTypes.GLOBAL_REFERENCE,
+                                 f"{base}/{postfix}"),)
+        )
+
+    def set_semantic_id_for_each_in(obj):
+        set_semantic_id(obj)
+        try:
+            iter(obj)
+        except TypeError as e:
+            print(e)
+            return
+        se_objects = list(obj)
+        for se in se_objects:
+            set_semantic_id_for_each_in(se)
+
+
+    for submodel in submodels:
+        set_semantic_id_for_each_in(submodel)
+
     aas_dz_wald = models.DZWald(
         dzwald_id="https://www.company.com/dz_wald/1",
         asset=basyx.aas.model.AssetInformation(),