Support for optional document "labels" (aka name in DBXML 1)

src/modules/dbxmlcontainers.py

@@ -224,6 +224,7 @@ class DbXmlContainerHolder(dataholders.DataHolder):
         """ returns a tuple (id, name) list of all documents
 
             id is the Uri of the document
+            name is the dbxml:label of the document (if so defined)
 
             argument xpathExpression can be specified to restrict the list
         """
@@ -233,9 +234,13 @@ class DbXmlContainerHolder(dataholders.DataHolder):
         for value in results:
             document = value.asDocument()
             uri = "%s/%s" % (uriBase, document.getName())
-            name = document.getName()
+            labelValue = dbxml.XmlValue("")
+            if document.getMetaData("http://www.sleepycat.com/2002/dbxml", "label", labelValue):
+                label = labelValue.asString()
+            else:
+                label = document.getName()
             documentList.append(
-                (uri, name)
+                (uri, label)
             )
         return documentList
 
@@ -479,14 +484,15 @@ class DbXmlDocumentStation(stations.AbstractStation, documents.AbstractDocument)
     def save(self):
         self.dbxmlDocument.setContent(self.serialize())
         container = self.getParent().getContainer()
+        element = self.getRootElement()
+        try:
+            label = element.getLabel()
+        except AttributeError:
+            pass
+        else:
+            self.dbxmlDocument.setMetaData("http://www.sleepycat.com/2002/dbxml", "label", dbxml.XmlValue(label))
         if self.isTemporary:
             name = self.getPublicName()
-            if name is None:
-                element = self.getRootElement()
-                try:
-                    name = element.getLabel()
-                except AttributeError:
-                    pass
             if name is not None:
                 name = strings.simplify(name)
                 self.dbxmlDocument.setName(name)