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Refs #12203 -- Improved error handling for the case where a user manually specifies an m2m field with an explicit through field. Thanks to dgouldin for the report, and Ramiro Morales for the patch.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@11737 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee
2009-11-13 12:35:05 +00:00
parent dd045aaab5
commit 0aeb1e135d
2 changed files with 16 additions and 2 deletions
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5
django/contrib/admin/validation.py
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@@ -149,7 +149,7 @@ def validate(cls, model):
validate_inline(inline, cls, model)
def validate_inline(cls, parent, parent_model):
# model is already verified to exist and be a Model
if cls.fk_name: # default value is None
f = get_field(cls, cls.model, cls.model._meta, 'fk_name', cls.fk_name)
@@ -196,6 +196,9 @@ def validate_base(cls, model):
check_isseq(cls, 'fields', cls.fields)
for field in cls.fields:
check_formfield(cls, model, opts, 'fields', field)
f = get_field(cls, model, opts, 'fields', field)
if isinstance(f, models.ManyToManyField) and not f.rel.through._meta.auto_created:
raise ImproperlyConfigured("'%s.fields' can't include the ManyToManyField field '%s' because '%s' manually specifies a 'through' model." % (cls.__name__, field, field))
if cls.fieldsets:
raise ImproperlyConfigured('Both fieldsets and fields are specified in %s.' % cls.__name__)
if len(cls.fields) > len(set(cls.fields)):