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[1.2.X] Changed unique validation in model formsets to ignore None va…

…lues, not just omit them. Thanks claudep!

Backport of r14193 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14194 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit 18a605d6ad1041d413f59876bef62b6f9c275ea2 1 parent 4ed1067
Honza Král HonzaKral authored
7 django/forms/models.py
View
@@ -516,10 +516,9 @@ def validate_unique(self):
# it's already invalid
if not hasattr(form, "cleaned_data"):
continue
- # get each of the fields for which we have data on this form
- if [f for f in unique_check if f in form.cleaned_data and form.cleaned_data[f] is not None]:
- # get the data itself
- row_data = tuple([form.cleaned_data[field] for field in unique_check])
+ # get data for each field of each of unique_check
+ row_data = tuple([form.cleaned_data[field] for field in unique_check if field in form.cleaned_data])
+ if row_data and not None in row_data:
# if we've aready seen it then we have a uniqueness failure
if row_data in seen_data:
# poke error messages into the right places and mark
37 tests/modeltests/model_formsets/models.py
View
@@ -35,6 +35,23 @@ class BookWithCustomPK(models.Model):
def __unicode__(self):
return u'%s: %s' % (self.my_pk, self.title)
+class Editor(models.Model):
+ name = models.CharField(max_length=100)
+
+class BookWithOptionalAltEditor(models.Model):
+ author = models.ForeignKey(Author)
+ # Optional secondary author
+ alt_editor = models.ForeignKey(Editor, blank=True, null=True)
+ title = models.CharField(max_length=100)
+
+ class Meta:
+ unique_together = (
+ ('author', 'title', 'alt_editor'),
+ )
+
+ def __unicode__(self):
+ return self.title
+
class AlternateBook(Book):
notes = models.CharField(max_length=100)
@@ -648,6 +665,26 @@ def __unicode__(self):
>>> formset.save()
[<AlternateBook: Flowers of Evil - English translation of Les Fleurs du Mal>]
+Test inline formsets where the inline-edited object has a unique_together constraint with a nullable member
+
+>>> AuthorBooksFormSet4 = inlineformset_factory(Author, BookWithOptionalAltEditor, can_delete=False, extra=2)
+
+>>> data = {
+... 'bookwithoptionalalteditor_set-TOTAL_FORMS': '2', # the number of forms rendered
+... 'bookwithoptionalalteditor_set-INITIAL_FORMS': '0', # the number of forms with initial data
+... 'bookwithoptionalalteditor_set-MAX_NUM_FORMS': '', # the max number of forms
+... 'bookwithoptionalalteditor_set-0-author': '1',
+... 'bookwithoptionalalteditor_set-0-title': 'Les Fleurs du Mal',
+... 'bookwithoptionalalteditor_set-1-author': '1',
+... 'bookwithoptionalalteditor_set-1-title': 'Les Fleurs du Mal',
+... }
+>>> formset = AuthorBooksFormSet4(data, instance=author)
+>>> formset.is_valid()
+True
+
+>>> formset.save()
+[<BookWithOptionalAltEditor: Les Fleurs du Mal>, <BookWithOptionalAltEditor: Les Fleurs du Mal>]
+
# ModelForm with a custom save method in an inline formset ###################
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