Ticket #5931: 5931-__repr__-for-db-fields.diff

django/db/models/fields/__init__.py

@@ -444 +444 @@
         "Returns the value of this field in the given model instance."
         return getattr(obj, self.attname)
 
+    def __repr__(self):
+        """
+        Displays the module, class and name of the field.
+        """
+        name = getattr(self, 'name', None)
+        if name is not None:
+            return '<%s.%s %s>' % (self.__class__.__module__,
+                                   self.__class__.__name__,
+                                   name)
+        return '<%s.%s>' % (self.__class__.__module__, self.__class__.__name__)
+
 class AutoField(Field):
     description = _("Integer")
 

tests/regressiontests/model_fields/tests.py

@@ -47 +47 @@
             nullboolean.full_clean()
         except ValidationError, e:
             self.fail("NullBooleanField failed validation with value of None: %s" % e.messages)
+    
+    def test_field_repr(self):
+        """
+        Regression test for #5931: __repr__ of a field also displays its name
+        """
+        f = Foo._meta.get_field('a') 
+        self.assertEqual(repr(f), '<django.db.models.fields.CharField a>') 
+        f = models.fields.CharField()
+        self.assertEqual(repr(f), '<django.db.models.fields.CharField>') 
 
 class DecimalFieldTests(test.TestCase):
     def test_to_python(self):