Ticket #10281: 10281-generic-inline-formset-prefix.diff

django/contrib/contenttypes/generic.py

@@ -291 +291 @@
     ct_field_name = "content_type"
     ct_fk_field_name = "object_id"
 
-    def __init__(self, data=None, files=None, instance=None, save_as_new=None):
+    def __init__(self, data=None, files=None, instance=None,
+                 save_as_new=None, prefix=None):
         opts = self.model._meta
         self.instance = instance
         self.rel_name = '-'.join((
@@ -300 +301 @@
         ))
         super(BaseGenericInlineFormSet, self).__init__(
             queryset=self.get_queryset(), data=data, files=files,
-            prefix=self.rel_name
+            prefix=prefix or self.rel_name
         )
 
     def get_queryset(self):

tests/modeltests/generic_relations/models.py

@@ -233 +233 @@
 <p><label for="id_generic_relations-taggeditem-content_type-object_id-1-tag">Tag:</label> <input id="id_generic_relations-taggeditem-content_type-object_id-1-tag" type="text" name="generic_relations-taggeditem-content_type-object_id-1-tag" maxlength="50" /></p>
 <p><label for="id_generic_relations-taggeditem-content_type-object_id-1-DELETE">Delete:</label> <input type="checkbox" name="generic_relations-taggeditem-content_type-object_id-1-DELETE" id="id_generic_relations-taggeditem-content_type-object_id-1-DELETE" /><input type="hidden" name="generic_relations-taggeditem-content_type-object_id-1-id" id="id_generic_relations-taggeditem-content_type-object_id-1-id" /></p>
 
+>>> formset = GenericFormSet(instance=lion, prefix='x')
+>>> for form in formset.forms:
+...     print form.as_p()
+    <p><label for="id_x-0-tag">Tag:</label> <input id="id_x-0-tag" type="text" name="x-0-tag" maxlength="50" /></p>
+    <p><label for="id_x-0-DELETE">Delete:</label> <input type="checkbox" name="x-0-DELETE" id="id_x-0-DELETE" /><input type="hidden" name="x-0-id" id="id_x-0-id" /></p>
+
 """}