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Code Issues 25 Releases Wiki Activity

Refs #26142 -- Documented that Formset's extra=0 doesn't prevent creating objects.

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Tim Graham 2016-01-26 19:06:39 -05:00
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6
docs/topics/forms/modelforms.txt
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@ -921,6 +921,12 @@ extra forms displayed.
>>> [x.name for x in formset.get_queryset()] >>> [x.name for x in formset.get_queryset()]
['Charles Baudelaire', 'Paul Verlaine', 'Walt Whitman'] ['Charles Baudelaire', 'Paul Verlaine', 'Walt Whitman']
Also, ``extra=0`` doesn't prevent creation of new model instances as you can
:ref:`add additional forms with JavaScript <understanding-the-managementform>`
or just send additional POST data. Formsets `don't yet provide functionality
<https://code.djangoproject.com/ticket/26142>`_ for an "edit only" view that
prevents creation of new instances.
If the value of ``max_num`` is greater than the number of existing related If the value of ``max_num`` is greater than the number of existing related
objects, up to ``extra`` additional blank forms will be added to the formset, objects, up to ``extra`` additional blank forms will be added to the formset,
so long as the total number of forms does not exceed ``max_num``:: so long as the total number of forms does not exceed ``max_num``::