Fixed #10494 -- Added kwargs to QuerySet.get() error message in the case no objects were found.

Thanks brondsem for the report, Szymon Pyzalski for the patch and oinopion for review.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@17917 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/query.py

@@ -363,10 +363,14 @@ class QuerySet(object):
         if num == 1:
             return clone._result_cache[0]
         if not num:
-            raise self.model.DoesNotExist("%s matching query does not exist."
-                    % self.model._meta.object_name)
-        raise self.model.MultipleObjectsReturned("get() returned more than one %s -- it returned %s! Lookup parameters were %s"
-                % (self.model._meta.object_name, num, kwargs))
+            raise self.model.DoesNotExist(
+                "%s matching query does not exist. "
+                "Lookup parameters were %s" %
+                (self.model._meta.object_name, kwargs))
+        raise self.model.MultipleObjectsReturned(
+            "get() returned more than one %s -- it returned %s! "
+            "Lookup parameters were %s" %
+            (self.model._meta.object_name, num, kwargs))
 
     def create(self, **kwargs):
         """

docs/intro/overview.txt

@@ -93,7 +93,7 @@ access your data. The API is created on the fly, no code generation necessary::
     >>> Reporter.objects.get(id=2)
     Traceback (most recent call last):
         ...
-    DoesNotExist: Reporter matching query does not exist.
+    DoesNotExist: Reporter matching query does not exist. Lookup parameters were {'id': 2}
 
     # Create an article.
     >>> from datetime import datetime

docs/intro/tutorial01.txt

@@ -664,7 +664,7 @@ Save these changes and start a new Python interactive shell by running
     >>> Poll.objects.get(id=2)
     Traceback (most recent call last):
         ...
-    DoesNotExist: Poll matching query does not exist.
+    DoesNotExist: Poll matching query does not exist. Lookup parameters were {'id': 2}
 
     # Lookup by a primary key is the most common case, so Django provides a
     # shortcut for primary-key exact lookups.

tests/modeltests/basic/tests.py

@@ -83,14 +83,23 @@ class ModelTest(TestCase):
         # parameters don't match any object.
         self.assertRaisesRegexp(
             ObjectDoesNotExist,
-            "Article matching query does not exist.",
+            "Article matching query does not exist. Lookup parameters were "
+            "{'id__exact': 2000}",
             Article.objects.get,
             id__exact=2000,
         )
-
+        # To avoid dict-ordering related errors check only one lookup
+        # in single assert.
         self.assertRaisesRegexp(
             ObjectDoesNotExist,
-            "Article matching query does not exist.",
+            ".*'pub_date__year': 2005.*",
+            Article.objects.get,
+            pub_date__year=2005,
+            pub_date__month=8,
+        )
+        self.assertRaisesRegexp(
+            ObjectDoesNotExist,
+            ".*'pub_date__month': 8.*",
             Article.objects.get,
             pub_date__year=2005,
             pub_date__month=8,
@@ -98,7 +107,8 @@ class ModelTest(TestCase):
 
         self.assertRaisesRegexp(
             ObjectDoesNotExist,
-            "Article matching query does not exist.",
+            "Article matching query does not exist. Lookup parameters were "
+            "{'pub_date__week_day': 6}",
             Article.objects.get,
             pub_date__week_day=6,
         )