OGM str method bug

JPS_BASE_LIB/python_wrapper/setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='twa',
-    version='0.0.6',
+    version='0.0.7',
     author='Jiaru Bai; Daniel Nurkowski',
     author_email='jb2197@cam.ac.uk; danieln@cmclinnovations.com',
     license='MIT',

JPS_BASE_LIB/python_wrapper/twa/__init__.py

@@ -1,3 +1,3 @@
 from twa.JPSGateway import JPSGateway
 
-__version__ = "0.0.6"
+__version__ = "0.0.7"

JPS_BASE_LIB/python_wrapper/twa/data_model/base_ontology.py

@@ -781,6 +781,12 @@ def __init__(self, **data):
                 data['rdfs_label'] = {data['rdfs_label']}
         super().__init__(**data)
 
+    def __str__(self) -> str:
+        return self.instance_iri
+
+    def __repr__(self) -> str:
+        return self.__str__()
+
     def model_post_init(self, __context: Any) -> None:
         """
         The post init process of the BaseClass.

JPS_BASE_LIB/python_wrapper/twa/kg_operations/sparql_client.py

@@ -262,13 +262,15 @@ def get_outgoing_and_attributes(self, node_iris: Set[str]) -> Dict[str, Dict[str
         Returns:
             Dict[str, Dict[str, Set[Any]]]: The dictionary of the outgoing edges and attributes of the given nodes, where the key is the node IRI
         """
+        result = {}
         if isinstance(node_iris, str):
             node_iris = [node_iris]
         if isinstance(node_iris, list):
             node_iris = set(node_iris)
+        if not node_iris:
+            return result
         query = f"""SELECT ?s ?p ?o WHERE {{VALUES ?s {{ {' '.join([f'<{utils.trim_iri(iri)}>' for iri in node_iris])} }} ?s ?p ?o.}}"""
         response = self.perform_query(query)
-        result = {}
         for r in response:
             if r['s'] not in result:
                 result[r['s']] = {}