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Fixed #7904: added support for a "use_for_related_fields" property on managers. If True, the manager will be used for related object lookups instead of the "bare" QuerySet introduced bu [8107]. Patch from Justin Bronn.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@8212 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Jacob Kaplan-Moss
2008-08-05 16:13:28 +00:00
parent c768bc6f25
commit 593810a501
3 changed files with 33 additions and 4 deletions
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17
tests/regressiontests/reverse_single_related/models.py
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@@ -26,7 +26,7 @@ __test__ = {'API_TESTS':"""
>>> private_source = Source.objects.create(is_public=False)
>>> private_item = Item.objects.create(source=private_source)
Only one source is available via all() due to the custom default manager.
# Only one source is available via all() due to the custom default manager.
>>> Source.objects.all()
[<Source: Source object>]
@@ -34,10 +34,21 @@ Only one source is available via all() due to the custom default manager.
>>> public_item.source
<Source: Source object>
Make sure that an item can still access its related source even if the default
manager doesn't normally allow it.
# Make sure that an item can still access its related source even if the default
# manager doesn't normally allow it.
>>> private_item.source
<Source: Source object>
# If the manager is marked "use_for_related_fields", it'll get used instead
# of the "bare" queryset. Usually you'd define this as a property on the class,
# but this approximates that in a way that's easier in tests.
>>> Source.objects.use_for_related_fields = True
>>> private_item = Item.objects.get(pk=private_item.pk)
>>> private_item.source
Traceback (most recent call last):
...
DoesNotExist: Source matching query does not exist.
"""}