First implementation of the List Reference type

lodel/leapi/datahandlers/reference.py

@@ -14,5 +14,5 @@ class Reference(FieldDataHandler):
         super().__init__(internal=self.internal, **kwargs)
 
     ## @brief gets the target of the reference
-    def get_target(self):
+    def get_related(self):
         return self._target

lodel/leapi/datahandlers/references/List.py

@@ -4,5 +4,8 @@ from ..reference import Reference
 
 class List(Reference):
 
-    def __init__(self):
-        pass
+    ## @brief instanciates a list reference
+    # @param emclasses list : linked emclasses objects
+    def __init__(self, emclasses, allowed=True, internal=False, **kwargs):
+        self._target = emclasses
+        super().__init__(self, allowed=allowed, internal=internal, **kwargs)