example translations and sense translation now unified, should behave very simmilary

- import
- export
- view
- edite translation events

src/model/translation.py

@@ -2,6 +2,25 @@ from model.tags import import_label_list
 from model.editable import Editable
 
 
+def from_container_list(translation_list_container_xml):
+    translations = []
+    max_num_cluster = 0
+    
+    for translation_xml in translation_list_container_xml:
+        num_cluster = 1 # default cluster
+        if translation_xml.hasAttribute("cluster"):
+            num_cluster = int(translation_xml.getAttribute("cluster"))
+            
+        max_num_cluster = max(max_num_cluster, num_cluster)
+        translations.append((num_cluster, Translation(translation_xml)))
+        
+    result = [[] for _ in range(max_num_cluster)]
+    for clusterNum, translation in translations:
+        result[clusterNum - 1].append(translation)
+        
+    return result
+
+
 class Translation(Editable):
     def __init__(self, translation_xml):
         translation = translation_xml.querySelector("translation")