mptt.fields
¶
Model fields for working with trees.
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class
mptt.fields.
TreeForeignKey
(to, on_delete, related_name=None, related_query_name=None, limit_choices_to=None, parent_link=False, to_field=None, db_constraint=True, **kwargs)¶ Extends the foreign key, but uses mptt’s
TreeNodeChoiceField
as the default form field.This is useful if you are creating models that need automatically generated ModelForms to use the correct widgets.
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formfield
(**kwargs)¶ Use MPTT’s
TreeNodeChoiceField
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class
mptt.fields.
TreeOneToOneField
(to, on_delete, to_field=None, **kwargs)¶ -
formfield
(**kwargs)¶ Pass
limit_choices_to
to the field being constructed.Only passes it if there is a type that supports related fields. This is a similar strategy used to pass the
queryset
to the field being constructed.
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class
mptt.fields.
TreeManyToManyField
(to, related_name=None, related_query_name=None, limit_choices_to=None, symmetrical=None, through=None, through_fields=None, db_constraint=True, db_table=None, swappable=True, **kwargs)¶ -
formfield
(**kwargs)¶ Pass
limit_choices_to
to the field being constructed.Only passes it if there is a type that supports related fields. This is a similar strategy used to pass the
queryset
to the field being constructed.
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