Fixed #17416 -- Added widgets argument to inlineformset_factory and modelformset_factory

django/forms/models.py

@@ -682,14 +682,15 @@ class BaseModelFormSet(BaseFormSet):
         super(BaseModelFormSet, self).add_fields(form, index)
 
 def modelformset_factory(model, form=ModelForm, formfield_callback=None,
-                         formset=BaseModelFormSet,
-                         extra=1, can_delete=False, can_order=False,
-                         max_num=None, fields=None, exclude=None):
+                         formset=BaseModelFormSet, extra=1, can_delete=False,
+                         can_order=False, max_num=None, fields=None,
+                         exclude=None, widgets=None):
     """
     Returns a FormSet class for the given Django model class.
     """
     form = modelform_factory(model, form=form, fields=fields, exclude=exclude,
-                             formfield_callback=formfield_callback)
+                             formfield_callback=formfield_callback,
+                             widgets=widgets)
     FormSet = formset_factory(form, formset, extra=extra, max_num=max_num,
                               can_order=can_order, can_delete=can_delete)
     FormSet.model = model
@@ -827,7 +828,7 @@ def inlineformset_factory(parent_model, model, form=ModelForm,
                           formset=BaseInlineFormSet, fk_name=None,
                           fields=None, exclude=None,
                           extra=3, can_order=False, can_delete=True, max_num=None,
-                          formfield_callback=None):
+                          formfield_callback=None, widgets=None):
     """
     Returns an ``InlineFormSet`` for the given kwargs.
 
@@ -848,6 +849,7 @@ def inlineformset_factory(parent_model, model, form=ModelForm,
         'fields': fields,
         'exclude': exclude,
         'max_num': max_num,
+        'widgets': widgets,
     }
     FormSet = modelformset_factory(model, **kwargs)
     FormSet.fk = fk

docs/ref/forms/models.txt

@@ -25,12 +25,12 @@ Model Form Functions
 
     See :ref:`modelforms-factory` for example usage.
 
-.. function:: modelformset_factory(model, form=ModelForm, formfield_callback=None, formset=BaseModelFormSet, extra=1, can_delete=False, can_order=False, max_num=None, fields=None, exclude=None)
+.. function:: modelformset_factory(model, form=ModelForm, formfield_callback=None, formset=BaseModelFormSet, extra=1, can_delete=False, can_order=False, max_num=None, fields=None, exclude=None, widgets=None)
 
     Returns a ``FormSet`` class for the given ``model`` class.
 
-    Arguments ``model``, ``form``, ``fields``, ``exclude``, and
-    ``formfield_callback`` are all passed through to
+    Arguments ``model``, ``form``, ``fields``, ``exclude``,
+    ``formfield_callback`` and ``widgets`` are all passed through to
     :func:`~django.forms.models.modelform_factory`.
 
     Arguments ``formset``, ``extra``, ``max_num``, ``can_order``, and
@@ -39,7 +39,11 @@ Model Form Functions
 
     See :ref:`model-formsets` for example usage.
 
-.. function:: inlineformset_factory(parent_model, model, form=ModelForm, formset=BaseInlineFormSet, fk_name=None, fields=None, exclude=None, extra=3, can_order=False, can_delete=True, max_num=None, formfield_callback=None)
+    .. versionchanged:: 1.6
+
+    The widgets parameter was added.
+
+.. function:: inlineformset_factory(parent_model, model, form=ModelForm, formset=BaseInlineFormSet, fk_name=None, fields=None, exclude=None, extra=3, can_order=False, can_delete=True, max_num=None, formfield_callback=None, widgets=None)
 
     Returns an ``InlineFormSet`` using :func:`modelformset_factory` with
     defaults of ``formset=BaseInlineFormSet``, ``can_delete=True``, and
@@ -49,3 +53,7 @@ Model Form Functions
     the ``parent_model``, you must specify a ``fk_name``.
 
     See :ref:`inline-formsets` for example usage.
+
+    .. versionchanged:: 1.6
+
+    The widgets parameter was added.

docs/topics/forms/modelforms.txt

@@ -650,6 +650,19 @@ exclude::
 
     >>> AuthorFormSet = modelformset_factory(Author, exclude=('birth_date',))
 
+Specifying widgets to use in the form with ``widgets``
+------------------------------------------------------
+
+.. versionadded:: 1.6
+
+Using the ``widgets`` parameter, you can specify a dictionary of values to
+customize the ``ModelForm``'s widget class for a particular field. This
+works the same way as the ``widgets`` dictionary on the inner ``Meta``
+class of a ``ModelForm`` works::
+
+    >>> AuthorFormSet = modelformset_factory(
+    ...     Author, widgets={'name': Textarea(attrs={'cols': 80, 'rows': 20})
+
 Providing initial values
 ------------------------
 
@@ -930,3 +943,13 @@ of a model. Here's how you can do that::
         })
 
 Notice how we pass ``instance`` in both the ``POST`` and ``GET`` cases.
+
+Specifying widgets to use in the inline form
+--------------------------------------------
+
+.. versionadded:: 1.6
+
+``inlineformset_factory`` uses ``modelformset_factory`` and passes most
+of its arguments to ``modelformset_factory``. This means you can use
+the ``widgets`` parameter in much the same way as passing it to
+``modelformset_factory``. See `Specifying widgets to use in the form with widgets`_ above.

tests/modeltests/model_formsets/tests.py

@@ -1190,3 +1190,27 @@ class ModelFormsetTest(TestCase):
         self.assertFalse(formset.is_valid())
         self.assertEqual(formset._non_form_errors,
             ['Please correct the duplicate data for subtitle which must be unique for the month in posted.'])
+
+
+class TestModelFormsetWidgets(TestCase):
+    def test_modelformset_factory_widgets(self):
+        widgets = {
+            'name': forms.TextInput(attrs={'class': 'poet'})
+        }
+        PoetFormSet = modelformset_factory(Poet, widgets=widgets)
+        form = PoetFormSet.form()
+        self.assertHTMLEqual(
+            "%s" % form['name'],
+            '<input id="id_name" maxlength="100" type="text" class="poet" name="name" />'
+        )
+
+    def test_inlineformset_factory_widgets(self):
+        widgets = {
+            'title': forms.TextInput(attrs={'class': 'book'})
+        }
+        BookFormSet = inlineformset_factory(Author, Book, widgets=widgets)
+        form = BookFormSet.form()
+        self.assertHTMLEqual(
+            "%s" % form['title'],
+            '<input class="book" id="id_title" maxlength="100" name="title" type="text" />'
+        )