Ticket #1844: remove_fields.patch

base.py

@@ -51 +51 @@
         # Add Fields inherited from parents
         for parent in new_class._meta.parents:
             for field in parent._meta.fields:
-                # Only add parent fields if they aren't defined for this class.
-                try:
-                    new_class._meta.get_field(field.name)
-                except FieldDoesNotExist:
-                    field.contribute_to_class(new_class, field.name)
+                # Only add parent fields if they aren't defined for this class,
+                # and haven't been explicitly removed in the derived class
+                if field.name not in new_class._meta.remove_fields:
+                    try:
+                        new_class._meta.get_field(field.name)
+                    except FieldDoesNotExist:
+                        field.contribute_to_class(new_class, field.name)
 
         new_class._prepare()
 

options.py

@@ -13 +13 @@
 
 DEFAULT_NAMES = ('verbose_name', 'db_table', 'ordering',
                  'unique_together', 'permissions', 'get_latest_by',
-                 'order_with_respect_to', 'app_label')
+                 'order_with_respect_to', 'app_label', 'remove_fields')
 
 class Options:
     def __init__(self, meta):
@@ -27 +27 @@
         self.object_name, self.app_label = None, None
         self.get_latest_by = None
         self.order_with_respect_to = None
+        self.remove_fields = []
         self.admin = None
         self.meta = meta
         self.pk = None