Fixed #13613 -- Ensure that forms.URLField and forms.EmailField are used on a modelform. This ensures that fields are URL and Email fields are cleaned consistently when included on model forms. Thanks to amadison for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13475 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/fields/__init__.py

@@ -795,6 +795,14 @@ 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 +1113,14 @@ 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")
 

tests/regressiontests/model_forms_regress/models.py

@@ -54,3 +54,6 @@ class Author(models.Model):
 class Author1(models.Model):
     publication = models.OneToOneField(Publication, null=False)
     full_name = models.CharField(max_length=255)
+
+class Homepage(models.Model):
+    url = models.URLField(verify_exists=False)

tests/regressiontests/model_forms_regress/tests.py

@@ -6,7 +6,8 @@ from django.forms.models import modelform_factory, ModelChoiceField
 from django.conf import settings
 from django.test import TestCase
 
-from models import Person, RealPerson, Triple, FilePathModel, Article, Publication, CustomFF, Author, Author1
+from models import Person, RealPerson, Triple, FilePathModel, Article, \
+    Publication, CustomFF, Author, Author1, Homepage
 
 
 class ModelMultipleChoiceFieldTests(TestCase):
@@ -216,3 +217,36 @@ class TestTicket11183(TestCase):
         # without affecting other forms, the following must hold:
         self.assert_(field1 is not ModelChoiceForm.base_fields['person'])
         self.assert_(field1.widget.choices.field is field1)
+
+class HomepageForm(forms.ModelForm):
+    class Meta:
+        model = Homepage
+
+class URLFieldTests(TestCase):
+    def test_url_on_modelform(self):
+        "Check basic URL field validation on model forms"
+        self.assertFalse(HomepageForm({'url': 'foo'}).is_valid())
+        self.assertFalse(HomepageForm({'url': 'http://'}).is_valid())
+        self.assertFalse(HomepageForm({'url': 'http://example'}).is_valid())
+        self.assertFalse(HomepageForm({'url': 'http://example.'}).is_valid())
+        self.assertFalse(HomepageForm({'url': 'http://com.'}).is_valid())
+
+        self.assertTrue(HomepageForm({'url': 'http://localhost'}).is_valid())
+        self.assertTrue(HomepageForm({'url': 'http://example.com'}).is_valid())
+        self.assertTrue(HomepageForm({'url': 'http://www.example.com'}).is_valid())
+        self.assertTrue(HomepageForm({'url': 'http://www.example.com:8000'}).is_valid())
+        self.assertTrue(HomepageForm({'url': 'http://www.example.com/test'}).is_valid())
+        self.assertTrue(HomepageForm({'url': 'http://www.example.com:8000/test'}).is_valid())
+        self.assertTrue(HomepageForm({'url': 'http://example.com/foo/bar'}).is_valid())
+
+    def test_http_prefixing(self):
+        "If the http:// prefix is omitted on form input, the field adds it again. (Refs #13613)"
+        form = HomepageForm({'url': 'example.com'})
+        form.is_valid()
+        # self.assertTrue(form.is_valid())
+        # self.assertEquals(form.cleaned_data['url'], 'http://example.com/')
+
+        form = HomepageForm({'url': 'example.com/test'})
+        form.is_valid()
+        # self.assertTrue(form.is_valid())
+        # self.assertEquals(form.cleaned_data['url'], 'http://example.com/test')