1 files changed, 9 insertions, 2 deletions

diff --git a/src/mailman/rest/validator.py b/src/mailman/rest/validator.py
index cf32ca838..60d8a22d6 100644
--- a/src/mailman/rest/validator.py
+++ b/src/mailman/rest/validator.py
@@ -23,11 +23,15 @@ __metaclass__ = type
 __all__ = [
     'Validator',
     'enum_validator',
+    'language_validator',
     'subscriber_validator',
     ]
 
 
 from uuid import UUID
+from zope.component import getUtility
+
+from mailman.interfaces.languages import ILanguageManager
 
 
 COMMASPACE = ', '
@@ -46,8 +50,6 @@ class enum_validator:
         return self._enum_class[enum_value]
 
 
-
-    
 def subscriber_validator(subscriber):
     """Convert an email-or-int to an email-or-UUID."""
     try:
@@ -56,6 +58,11 @@ def subscriber_validator(subscriber):
         return subscriber
 
 
+def language_validator(code):
+    """Convert a language code to a Language object."""
+    return getUtility(ILanguageManager)[code]
+
+
 
 class Validator:
     """A validator of parameter input."""