add missing functionality in entity_type

Author: emdekatharina

frost_sta_client/__version__.py

@@ -1,5 +1,5 @@
 __title__ = 'frost_sta_client'
-__version__ = '1.1.27'
+__version__ = '1.1.28'
 __license__ = 'LGPL3'
 __author__ = 'Katharina Emde'
 __copyright__ = 'Fraunhofer IOSB'

frost_sta_client/model/ext/entity_type.py

@@ -98,3 +98,11 @@
         'class': 'frost_sta_client.model.ext.entity_list.EntityList'
     }
 }
+
+list_for_class = {}
+for key, entity_type in EntityTypes.items():
+    list_for_class[entity_type["class"]] = entity_type["plural"]
+
+def get_list_for_class(clazz):
+    clazz_name = clazz.__module__ + "." + clazz.__name__
+    return list_for_class[clazz_name]