1 files changed, 19 insertions, 0 deletions
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 65b60a0173..3c58873035 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -459,6 +459,9 @@ class AutoField(Field):
         kwargs['blank'] = True
         Field.__init__(self, *args, **kwargs)
 
+    def get_internal_type(self):
+        return "AutoField"
+
     def to_python(self, value):
         if value is None:
             return value
@@ -795,6 +798,14 @@ class EmailField(CharField):
         kwargs['max_length'] = kwargs.get('max_length', 75)
         CharField.__init__(self, *args, **kwargs)
 
+    def formfield(self, **kwargs):
+        # As with CharField, this will cause email validation to be performed twice
+        defaults = {
+            'form_class': forms.EmailField,
+        }
+        defaults.update(kwargs)
+        return super(EmailField, self).formfield(**defaults)
+
 class FilePathField(Field):
     description = _("File path")
 
@@ -1105,6 +1116,14 @@ class URLField(CharField):
         CharField.__init__(self, verbose_name, name, **kwargs)
         self.validators.append(validators.URLValidator(verify_exists=verify_exists))
 
+    def formfield(self, **kwargs):
+        # As with CharField, this will cause URL validation to be performed twice
+        defaults = {
+            'form_class': forms.URLField,
+        }
+        defaults.update(kwargs)
+        return super(URLField, self).formfield(**defaults)
+
 class XMLField(TextField):
     description = _("XML text")