TranslationField: treat empty strings as NULL

This avoids Django admin attempting to validate them for uniqueness.
acdha · Jun 10, 2010 · e95d5cf · e95d5cf
1 parent 9d195af
commit e95d5cf
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/modeltranslation/fields.py b/modeltranslation/fields.py
@@ -57,6 +57,12 @@ def pre_save(self, model_instance, add):
             model_instance.__dict__[self.translated_field.name] = val
         return val
 
+    def get_db_prep_value(self, value, connection, prepared=False):
+        if value == "":
+            return None
+        else:
+            return value
+
     def get_internal_type(self):
         return self.translated_field.get_internal_type()