Fixed #7173 -- Corrected the caching of objects in reverse OneToOne relationships. Thanks, Travis Terry.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7561 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/fields/related.py

@@ -165,7 +165,7 @@ class SingleRelatedObjectDescriptor(object):
     # SingleRelatedObjectDescriptor instance.
     def __init__(self, related):
         self.related = related
-        self.cache_name = '_%s_cache' % related.field.name
+        self.cache_name = '_%s_cache' % related.get_accessor_name()
 
     def __get__(self, instance, instance_type=None):
         if instance is None:

tests/regressiontests/one_to_one_regress/models.py

@@ -15,6 +15,13 @@ class Restaurant(models.Model):
     def __unicode__(self):
         return u"%s the restaurant" % self.place.name
 
+class Bar(models.Model):
+    place = models.OneToOneField(Place)
+    serves_cocktails = models.BooleanField()
+
+    def __unicode__(self):
+        return u"%s the bar" % self.place.name
+
 class Favorites(models.Model):
     name = models.CharField(max_length = 50)
     restaurants = models.ManyToManyField(Restaurant)
@@ -34,4 +41,13 @@ __test__ = {'API_TESTS':"""
 >>> f.restaurants = [r]
 >>> f.restaurants.all()
 [<Restaurant: Demon Dogs the restaurant>]
+
+# Regression test for #7173: Check that the name of the cache for the 
+# reverse object is correct.
+>>> b = Bar(place=p1, serves_cocktails=False)
+>>> b.save()
+>>> p1.restaurant
+<Restaurant: Demon Dogs the restaurant>
+>>> p1.bar
+<Bar: Demon Dogs the bar>
 """}