Fix label space string representation

src/ansys/dpf/core/__init__.py

@@ -111,6 +111,7 @@
 
 from ansys.dpf.core.collection import CollectionFactory as _CollectionFactory
 from ansys.dpf.core.collection import Collection as _Collection
+from ansys.dpf.core.label_space import LabelSpace
 
 
 # register classes for collection types:

src/ansys/dpf/core/collection_base.py

@@ -235,7 +235,13 @@ def _get_labels(self) -> list:
             out.append(self._api.collection_get_label(self, i))
         return out
 
-    labels = property(_get_labels, set_labels, "labels")
+    @property
+    def labels(self) -> list[str]:
+        return self._get_labels()
+
+    @labels.setter
+    def labels(self, labels: list[str]):
+        self.set_labels(labels=labels)
 
     def has_label(self, label) -> bool:
         """Check if a collection has a specified label.

src/ansys/dpf/core/label_space.py

@@ -68,10 +68,22 @@ def _data_processing_core_api(self):
         core_api.init_data_processing_environment(self)
         return core_api
 
-    def fill(self, label_space):
+    def fill(self, label_space: dict[str, int]):
         for key, index in label_space.items():
             self._api.label_space_add_data(self, key, index)
 
+    def __str__(self):
+        return str(dict(self))
+
+    def __iter__(self):
+        yield from [
+            (
+                self._api.label_space_get_labels_name(self, i),
+                self._api.label_space_get_labels_value(self, i),
+            )
+            for i in range(self._api.label_space_get_size(self))
+        ]
+
     def __dict__(self):
         if isinstance(self._internal_obj, dict):
             return self._internal_obj

tests/test_label_space.py

@@ -0,0 +1,32 @@
+# Copyright (C) 2020 - 2024 ANSYS, Inc. and/or its affiliates.
+# SPDX-License-Identifier: MIT
+#
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import ansys.dpf.core as dpf
+
+
+def test_label_space_(server_type):
+    reference = {"test": 1, "various": 2}
+    ls = dpf.LabelSpace(label_space=reference)
+    assert dict(ls) == reference
+    assert str(ls)
+    reference = {"test": 1, "various": 2}
+    ls.fill(label_space=reference)