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Make `Formset.__getitem__ O(1), rather than O(n). If you override __iter__ you now need to also override __getitem__` for consistant behavior. Thanks to Carl and Russ for the review.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@16770 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Alex Gaynor 2011-09-10 01:53:56 +00:00
parent 5f287f75f2
commit 01b0eb50fd
3 changed files with 16 additions and 10 deletions
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4
docs/topics/forms/formsets.txt
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@ -49,6 +49,10 @@ they were created. The default formset iterator also renders the forms
in this order, but you can change this order by providing an alternate
implementation for the :meth:`__iter__()` method.
Formsets can also be indexed into, which returns the corresponding form. If you
override ``__iter__``, you will need to also override ``__getitem__`` to have
matching behavior.
Using initial data with a formset
---------------------------------