Python-сообщество

class Illustration(models.Model):
	class Meta:
		verbose_name_plural 	= 'иллюстрации'
		verbose_name 			= 'иллюстрация'
		verbose_name_addition	= 'иллюстрацию'
		
	templates = dict(
		map(lambda template: (template.__name__, template),
		 	IllustrationTemplate.__subclasses__())
	)
	
	template_name = models.CharField(
		max_length = 16,
		choices	= map(lambda template: (template.__name__, template.verbose_name), templates.values())
	)
	material_type	= models.ForeignKey(ContentType)
	material_id	= models.PositiveIntegerField()
	material	= generic.GenericForeignKey('material_type', 'material_id')
	
	title		= models.CharField(max_length = 256)
	width		= models.PositiveSmallIntegerField()
	height		= models.PositiveSmallIntegerField()
	image		= models.ImageField(width_field = 'width', height_field = 'height', upload_to = settings.ILLUSTRATIONS_PATH)

illustrations	= generic.GenericRelation('Illustration')