Django choices helper class

django_enum_choices.py

# Example usage: 
# class Car(models.Model):
#    class Colors(ChoiceEnum):
#        RED = 'red'
#        WHITE = 'white'
#        BLUE = 'blue'
#
#    color = models.CharField(max_length=5, choices=Colors.choices(), default=Colors.RED)
#    
# Querying requires an extra word to type though...
# red_cars = Car.objects.filter(color=Car.Colors.RED.value)

from enum import Enum

class ChoiceEnum(Enum):
    @classmethod
    def choices(cls):
        return tuple((x.name, x.value) for x in cls)