Fixed #14695 -- Stopped model fields from incorrectly overwriting the…

… field name during model initialization if it was already passed as a keyword argument. Thanks, erikrose and willhardy.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16614 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/fields/__init__.py

@@ -220,15 +220,16 @@ def db_type(self, connection):
         except KeyError:
             return None
 
+    @property
     def unique(self):
         return self._unique or self.primary_key
-    unique = property(unique)
 
     def set_attributes_from_name(self, name):
-        self.name = name
+        if not self.name:
+            self.name = name
         self.attname, self.column = self.get_attname_column()
-        if self.verbose_name is None and name:
-            self.verbose_name = name.replace('_', ' ')
+        if self.verbose_name is None and self.name:
+            self.verbose_name = self.name.replace('_', ' ')
 
     def contribute_to_class(self, cls, name):
         self.set_attributes_from_name(name)

tests/regressiontests/model_fields/models.py

@@ -66,6 +66,9 @@ class BooleanModel(models.Model):
     bfield = models.BooleanField()
     string = models.CharField(max_length=10, default='abc')
 
+class RenamedField(models.Model):
+    modelname = models.IntegerField(name="fieldname", choices=((1,'One'),))
+
 ###############################################################################
 # FileField
 

tests/regressiontests/model_fields/tests.py

@@ -8,7 +8,7 @@
 from django.db.models.fields.files import FieldFile
 from django.utils import unittest
 
-from models import Foo, Bar, Whiz, BigD, BigS, Image, BigInt, Post, NullBooleanModel, BooleanModel, Document
+from models import Foo, Bar, Whiz, BigD, BigS, Image, BigInt, Post, NullBooleanModel, BooleanModel, Document, RenamedField
 
 # If PIL available, do these tests.
 if Image:
@@ -53,6 +53,15 @@ def test_field_repr(self):
         f = models.fields.CharField()
         self.assertEqual(repr(f), '<django.db.models.fields.CharField>')
 
+    def test_field_name(self):
+        """
+        Regression test for #14695: explicitly defined field name overwritten
+        by model's attribute name.
+        """
+        instance = RenamedField()
+        self.assertTrue(hasattr(instance, 'get_fieldname_display'))
+        self.assertFalse(hasattr(instance, 'get_modelname_display'))
+
 class DecimalFieldTests(test.TestCase):
     def test_to_python(self):
         f = models.DecimalField(max_digits=4, decimal_places=2)