Merge remote-tracking branch 'official/master' into develop

tiramisu/function.py

@@ -333,6 +333,31 @@ class CalcValue:
                         value = value[index]
                     else:
                         value = None
+        else:
+            if join is not None:
+                if None not in value:
+                    length_val = None
+                    for val in value:
+                        if isinstance(val, list):
+                            if None in val:
+                                length_val = None
+                                break
+                            lval = len(val)
+                            if length_val is not None and length_val != lval:
+                                raise ValueError(_(f'unexpected value in calc_value with join attribute "{val}" with invalid length "{length_val}"'))
+                            length_val = lval
+                    new_value = []
+                    for idx in range(length_val):
+                        idx_val = []
+                        for val in value:
+                            if isinstance(val, list):
+                                idx_val.append(val[idx])
+                            else:
+                                idx_val.append(val)
+                        new_value.append(join.join(idx_val))
+                    value = new_value
+                else:
+                    value = []
             elif None in value and not allow_none:
                 value = []
             elif remove_duplicate_value: