I have a model "Car" with a related model "Car_Attribute" where I
store instance specific details.
class Car(models.Model):
name = models.CharField(max_length=50)
class Car_Attribute(models.Model):
car = models.ForeignKey(Car)
key = models.CharField(max_length=50)
data = models.TextField()
I have written a custom template filter to retrieve attributes
from django import template
register = template.Library()
@register.filter(name='car_tag_get')
def car_tag_get(value, arg):
try:
return value.car_attribute_set.get(key=arg).data
except:
return "#CAR_ATTRIBUTE_NOT_FOUND key: %s" % arg
car_tag_get.is_safe = False
and in my templates I use
{{ car|car_tag_get:"colour" }}
This works fine but is there an easier or more practical way?
Paddy
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