Make MultilangSession's language class configurable
[zzz-pokedex.git] / pokedex / db / multilang.py
index 4adb68d..6690b8a 100644 (file)
@@ -157,14 +157,27 @@ class MultilangSession(Session):
     """A tiny Session subclass that adds support for a default language."""
     _default_language_id = 9  # English.  XXX magic constant
 
+    def __init__(self, *args, **kwargs):
+        try:
+            self.language_class = kwargs.pop('language_class')
+        except KeyError:
+            # Set the default language_class
+            # We need to import here, to prevent a circular depencency
+            from pokedex.db.tables import Language
+            self.language_class = Language
+        super(MultilangSession, self).__init__(*args, **kwargs)
+
     @property
     def default_language(self):
-        # XXX need to get the right mapped class for this to work
-        raise NotImplementedError
+        # Need to import tables here to avoid a circular dependency
+        from pokedex.db import tables
+        query = self.query(self.language_class)
+        query = query.filter_by(id=self._default_language_id)
+        return query.one()
 
     @default_language.setter
     def default_language(self, new):
-        self._default_language_id = new#.id
+        self._default_language_id = new.id
 
     @default_language.deleter
     def default_language(self):