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Fixed #12209 -- Made the through attribute on a m2m relation into a property to ensure that the fully resolved through model is always provdided. Thanks to dgouldin for the report.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@11736 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
2009-11-13 12:34:41 +00:00
parent c8514b570b
commit dd045aaab5
2 changed files with 33 additions and 2 deletions
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8
django/db/models/fields/related.py
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@@ -586,9 +586,13 @@ class ReverseManyRelatedObjectsDescriptor(object):
# ReverseManyRelatedObjectsDescriptor instance.
def __init__(self, m2m_field):
self.field = m2m_field
def _through(self):
# through is provided so that you have easy access to the through
# model (Book.authors.through) for inlines, etc.
self.through = m2m_field.rel.through
# model (Book.authors.through) for inlines, etc. This is done as
# a property to ensure that the fully resolved value is returned.
return self.field.rel.through
through = property(_through)
def __get__(self, instance, instance_type=None):
if instance is None: