class EnumField(models.Field):
    """
    A field class that maps to MySQL's ENUM type.
    Usage:
    class Card(models.Model):
        suit = EnumField(values=('Clubs', 'Diamonds', 'Spades', 'Hearts'))
    c = Card()
    c.suit = 'Clubs'
    c.save()
    """

def __init__(self, *args, **kwargs):
    pass
Указание ENUM mySQL в модели Django