84 lines
3.8 KiB
Plaintext
84 lines
3.8 KiB
Plaintext
====================
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Model Form Functions
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====================
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.. module:: django.forms.models
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:synopsis: Django's functions for building model forms and formsets.
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.. function:: modelform_factory(model, form=ModelForm, fields=None, exclude=None, formfield_callback=None, widgets=None, localized_fields=None, labels=None, help_texts=None, error_messages=None)
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Returns a :class:`~django.forms.ModelForm` class for the given ``model``.
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You can optionally pass a ``form`` argument to use as a starting point for
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constructing the ``ModelForm``.
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``fields`` is an optional list of field names. If provided, only the named
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fields will be included in the returned fields.
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``exclude`` is an optional list of field names. If provided, the named
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fields will be excluded from the returned fields, even if they are listed
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in the ``fields`` argument.
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``widgets`` is a dictionary of model field names mapped to a widget.
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``formfield_callback`` is a callable that takes a model field and returns
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a form field.
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``localized_fields`` is a list of names of fields which should be localized.
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``labels`` is a dictionary of model field names mapped to a label.
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``help_texts`` is a dictionary of model field names mapped to a help text.
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``error_messages`` is a dictionary of model field names mapped to a
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dictionary of error messages.
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See :ref:`modelforms-factory` for example usage.
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.. versionchanged:: 1.6
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You must provide the list of fields explicitly, either via keyword arguments
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``fields`` or ``exclude``, or the corresponding attributes on the form's
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inner ``Meta`` class. See :ref:`modelforms-selecting-fields` for more
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information. Omitting any definition of the fields to use will result in all
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fields being used, but this behavior is deprecated.
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The ``localized_fields``, ``labels``, ``help_texts``, and
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``error_messages`` parameters were added.
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.. 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, labels=None, help_texts=None, error_messages=None)
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Returns a ``FormSet`` class for the given ``model`` class.
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Arguments ``model``, ``form``, ``fields``, ``exclude``,
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``formfield_callback``, ``widgets``, ``localized_fields``, ``labels``,
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``help_texts``, and ``error_messages`` are all passed through to
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:func:`~django.forms.models.modelform_factory`.
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Arguments ``formset``, ``extra``, ``max_num``, ``can_order``,
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``can_delete`` and ``validate_max`` are passed through to
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:func:`~django.forms.formsets.formset_factory`. See :ref:`formsets` for
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details.
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See :ref:`model-formsets` for example usage.
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.. versionchanged:: 1.6
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The ``widgets``, ``validate_max``, ``localized_fields``, ``labels``,
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``help_texts``, and ``error_messages`` parameters were added.
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.. 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, labels=None, help_texts=None, error_messages=None)
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Returns an ``InlineFormSet`` using :func:`modelformset_factory` with
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defaults of ``formset=BaseInlineFormSet``, ``can_delete=True``, and
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``extra=3``.
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If your model has more than one :class:`~django.db.models.ForeignKey` to
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the ``parent_model``, you must specify a ``fk_name``.
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See :ref:`inline-formsets` for example usage.
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.. versionchanged:: 1.6
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The ``widgets``, ``validate_max`` and ``localized_fields``, ``labels``,
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``help_texts``, and ``error_messages`` parameters were added.
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