modelformset_factory

Return a FormSet class for the given Django model class.

def modelformset_factory(
    model: Model,
    form: ModelForm = ModelForm,
    formfield_callback: callable = null,
    formset: BaseModelFormSet = BaseModelFormSet,
    extra: int = 1,
    can_delete: boolean = false,
    can_order: boolean = false,
    max_num: int = null,
    fields: list|str = null,
    exclude: list = null,
    widgets: dict = null,
    validate_max: boolean = false,
    localized_fields: list = null,
    labels: dict = null,
    help_texts: dict = null,
    error_messages: dict = null,
    min_num: int = null,
    validate_min: boolean = false,
    field_classes: dict = null,
    absolute_max: int = null,
    can_delete_extra: boolean = true,
    renderer: BaseRenderer = null,
    edit_only: boolean = false
) - > type

Return a FormSet class for the given Django model class.

Parameters

Name	Type	Description
model	Model	The Django model class that the formset will be responsible for managing and persisting.
form	ModelForm = ModelForm	The base form class used to create individual forms within the formset.
formfield_callback	callable = null	A callable that takes a model field and returns a form field, used to customize field generation.
formset	BaseModelFormSet = BaseModelFormSet	The base class from which the returned formset class will inherit.
extra	int = 1	The number of empty, extra forms to display in the formset.
can_delete	boolean = false	If True, adds a checkbox to each form to allow deleting the associated model instance.
can_order	boolean = false	If True, adds a field to each form to allow reordering the instances.
max_num	int = null	The maximum number of forms that can be displayed in the formset.
fields	`list	str` = null
exclude	list = null	A list of model field names to exclude from the form.
widgets	dict = null	A dictionary mapping field names to custom widget classes or instances.
validate_max	boolean = false	If True, validation will ensure the number of forms does not exceed max_num.
localized_fields	list = null	A list of field names that should be localized (e.g., dates, numbers).
labels	dict = null	A dictionary mapping field names to custom verbose labels.
help_texts	dict = null	A dictionary mapping field names to custom help text strings.
error_messages	dict = null	A dictionary mapping field names to dictionaries of custom error messages.
min_num	int = null	The minimum number of forms that must be present in the formset.
validate_min	boolean = false	If True, validation will ensure the number of forms is at least min_num.
field_classes	dict = null	A dictionary mapping field names to custom form field classes.
absolute_max	int = null	A hard limit on the number of forms allowed to prevent memory exhaustion attacks.
can_delete_extra	boolean = true	If True, allows the deletion of extra forms that have not yet been saved.
renderer	BaseRenderer = null	The template renderer used to render the formset.
edit_only	boolean = false	If True, prevents the formset from creating new objects and only allows editing existing ones.

Returns

Type	Description
type	A FormSet class configured to work with the specified Django model and form settings.