Fixed #13546 -- Easier handling of localize field options in ModelForm

docs/ref/forms/models.txt

@@ -5,7 +5,7 @@ Model Form Functions
 .. module:: django.forms.models
    :synopsis: Django's functions for building model forms and formsets.
 
-.. function:: modelform_factory(model, form=ModelForm, fields=None, exclude=None, formfield_callback=None,  widgets=None)
+.. function:: modelform_factory(model, form=ModelForm, fields=None, exclude=None, formfield_callback=None,  widgets=None, localized_fields=None)
 
     Returns a :class:`~django.forms.ModelForm` class for the given ``model``.
     You can optionally pass a ``form`` argument to use as a starting point for
@@ -20,6 +20,8 @@ Model Form Functions
 
     ``widgets`` is a dictionary of model field names mapped to a widget.
 
+    ``localized_fields`` is a list of names of fields which should be localized.
+
     ``formfield_callback`` is a callable that takes a model field and returns
     a form field.
 
@@ -33,12 +35,14 @@ Model Form Functions
     information. Omitting any definition of the fields to use will result in all
     fields being used, but this behaviour is deprecated.
 
-.. 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, validate_max=False)
+    The ``localized_fields`` parameter was added.
+
+.. 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, validate_max=False, localized_fields=None)
 
     Returns a ``FormSet`` class for the given ``model`` class.
 
     Arguments ``model``, ``form``, ``fields``, ``exclude``,
-    ``formfield_callback`` and ``widgets`` are all passed through to
+    ``formfield_callback``, ``widgets`` and ``localized_fields`` are all passed through to
     :func:`~django.forms.models.modelform_factory`.
 
     Arguments ``formset``, ``extra``, ``max_num``, ``can_order``,
@@ -50,9 +54,9 @@ Model Form Functions
 
     .. versionchanged:: 1.6
 
-        The ``widgets`` and the ``validate_max`` parameters were added.
+        The ``widgets``, ``validate_max`` and ``localized_fields`` parameters were 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, validate_max=False)
+.. 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, validate_max=False, localized_fields=None)
 
     Returns an ``InlineFormSet`` using :func:`modelformset_factory` with
     defaults of ``formset=BaseInlineFormSet``, ``can_delete=True``, and
@@ -65,4 +69,4 @@ Model Form Functions
 
     .. versionchanged:: 1.6
 
-        The ``widgets`` and the ``validate_max`` parameters were added.
+        The ``widgets``, ``validate_max`` and ``localized_fields`` parameters were added.

docs/releases/1.6.txt

@@ -234,6 +234,10 @@ Minor features
 .. _`Pillow`: https://pypi.python.org/pypi/Pillow
 .. _`PIL`: https://pypi.python.org/pypi/PIL
 
+* :doc:`ModelForm </topics/forms/modelforms/>` accepts a new
+  Meta option: ``localized_fields``. Fields included in this list will be localized
+  (by setting ``localize`` on the form field).
+
 Backwards incompatible changes in 1.6
 =====================================
 

docs/topics/forms/modelforms.txt

@@ -474,6 +474,24 @@ parameter when declaring the form field::
     See the :doc:`form field documentation </ref/forms/fields>` for more information
     on fields and their arguments.
 
+
+Enabling localization of fields
+-------------------------------
+
+.. versionadded:: 1.6
+
+By default, the fields in a ``ModelForm`` will not localize their data. To
+enable localization for fields, you can use the ``localized_fields``
+attribute on the ``Meta`` class.
+
+    >>> class AuthorForm(ModelForm):
+    ...     class Meta:
+    ...         model = Author
+    ...         localized_fields = ('birth_date',)
+
+If ``localized_fields`` is set to the special value ``'__all__'``, all fields
+will be localized.
+
 .. _overriding-modelform-clean-method:
 
 Overriding the clean() method
@@ -570,6 +588,10 @@ keyword arguments, or the corresponding attributes on the ``ModelForm`` inner
 ``Meta`` class. Please see the ``ModelForm`` :ref:`modelforms-selecting-fields`
 documentation.
 
+... or enable localization for specific fields::
+
+    >>> Form = modelform_factory(Author, form=AuthorForm, localized_fields=("birth_date",))
+
 .. _model-formsets:
 
 Model formsets
@@ -663,6 +685,20 @@ class of a ``ModelForm`` works::
     >>> AuthorFormSet = modelformset_factory(
     ...     Author, widgets={'name': Textarea(attrs={'cols': 80, 'rows': 20})
 
+Enabling localization for fields with ``localized_fields``
+----------------------------------------------------------
+
+.. versionadded:: 1.6
+
+Using the ``localized_fields`` parameter, you can enable localization for
+fields in the form.
+
+    >>> AuthorFormSet = modelformset_factory(
+    ...     Author, localized_fields=('value',))
+
+If ``localized_fields`` is set to the special value ``'__all__'``, all fields
+will be localized.
+
 Providing initial values
 ------------------------