Unknown lang bug corrected

- switch to default lang when translation does not exist for lang specified in xml node
- put lang code truncation in get_lang_class instead of get_lang_from_node

darcs-hash:20061028145049-86b55-a4a40436fab41e7ae745c2640cadfd13fb22649d.gz

src/jmc/utils/lang.py

@@ -30,10 +30,14 @@ class Lang:
         if lang is None:
             print "Using default lang " + self.default_lang
             lang = self.default_lang
-        return lang[:2]
+        return lang
 
     def get_lang_class(self, lang):
-        return getattr(Lang, lang)
+        if lang is not None:
+            lang = lang[:2]
+        if hasattr(Lang, lang):
+            return getattr(Lang, lang)
+        return getattr(Lang, self.default_lang)
 
     def get_lang_class_from_node(self, node):
         return self.get_lang_class(self.get_lang_from_node(node))