From 1a87a4cd0c2e0ff31ef7d318b5e96ccdb758b29a Mon Sep 17 00:00:00 2001
From: Eskil Heyn Olsen <eskil@eskil.org>
Date: Thu, 3 Jan 2013 23:29:50 -0800
Subject: [PATCH] Fix to RegisterForm.to_dict.

Only add fields that are also attributes on the
datastorage.user_model.
---
 flask_security/forms.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/flask_security/forms.py b/flask_security/forms.py
index 77cc065..182167a 100644
--- a/flask_security/forms.py
+++ b/flask_security/forms.py
@@ -92,7 +92,10 @@ class RegisterFormMixin():
     submit = SubmitField("Register")
 
     def to_dict(form):
-        fields = inspect.getmembers(form, lambda member: isinstance(member, Field))
+        def is_field_and_user_attr(member):
+            return isinstance(member, Field) and hasattr(_datastore.user_model, member.name)
+
+        fields = inspect.getmembers(form, is_field_and_user_attr)
         return dict((key, value.data) for key, value in fields)