Fixed #7881: Support `__in` lookups in `limit_choices_to` and `raw_id_admin`. Thanks, jamesturk.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8700 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/views/main.py

@@ -179,6 +179,10 @@ class ChangeList(object):
                 del lookup_params[key]
                 lookup_params[smart_str(key)] = value
 
+            # if key ends with __in, split parameter into separate values
+            if key.endswith('__in'):
+                lookup_params[key] = value.split(',')
+
         # Apply lookup parameters from the query string.
         qs = qs.filter(**lookup_params)
 

django/contrib/admin/widgets.py

@@ -102,7 +102,7 @@ class ForeignKeyRawIdWidget(forms.TextInput):
     def render(self, name, value, attrs=None):
         related_url = '../../../%s/%s/' % (self.rel.to._meta.app_label, self.rel.to._meta.object_name.lower())
         if self.rel.limit_choices_to:
-            url = '?' + '&'.join(['%s=%s' % (k, v) for k, v in self.rel.limit_choices_to.items()])
+            url = '?' + '&'.join(['%s=%s' % (k, ','.join(v)) for k, v in self.rel.limit_choices_to.items()])
         else:
             url = ''
         if not attrs.has_key('class'):