newforms: Implemented RadioFieldRenderer.__getitem__(), which allows for index lookup on radio fields

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4238 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 4 insertions, 0 deletions

diff --git a/django/newforms/widgets.py b/django/newforms/widgets.py
index 0dd0692e29..996e353775 100644
--- a/django/newforms/widgets.py
+++ b/django/newforms/widgets.py
@@ -189,6 +189,10 @@ class RadioFieldRenderer(StrAndUnicode):
         for i, choice in enumerate(self.choices):
             yield RadioInput(self.name, self.value, self.attrs.copy(), choice, i)
 
+    def __getitem__(self, idx):
+        choice = self.choices[idx] # Let the IndexError propogate
+        return RadioInput(self.name, self.value, self.attrs.copy(), choice, idx)
+
     def __unicode__(self):
         "Outputs a <ul> for this set of radio fields."
         return u'<ul>\n%s\n</ul>' % u'\n'.join([u'<li>%s</li>' % w for w in self])