Field.one_to_many Boolean flag that is True if the field has a one-to-many relation, such as a GenericRelation

ManyToManyField.swappable Controls the migration framework’s reaction if this ManyToManyField is pointing at a

ManyToManyField.through Django will automatically generate a table to manage many-to-many relationships. However, if you want

ForeignKey.db_constraint Controls whether or not a constraint should be created in the database for this foreign key. The default

FieldFile.close() [source] Behaves like the standard Python file.close() method

formfield(form_class=None, choices_form_class=None, **kwargs) [source] Returns the default

pre_save(model_instance, add) [source] Method called prior to get_db_prep_save()

class SlugField(max_length=50, **options) [source] Slug

ForeignKey.limit_choices_to Sets a limit to the available choices for this field when this field is rendered using a ModelForm

Field.unique_for_date Set this to the name of a DateField or DateTimeField to require that this field