Hi,
Will you help me please?
I've got a model called Card which has a ManyToMany relationship to
Tag. When I save a Card, I'd like to create a Product as well, which I
want to have the same ManyToMany relationship to tag.
How do I access the instance's tags? self.tags.all() gives an empty
list, while if I check after saving, the card actually has tags. My
code is below. For the record, I am using Django 1.0.5.
Major thanks!
Wim
class Card(models.Model):
product = models.ForeignKey(Product, editable=False,
null=True)
name = models.CharField('name', max_length=50, unique=True,
help_text='A short and unique name or title of the object.')
identifier = models.SlugField('identifier', unique=True,
help_text='A unique identifier constructed from the name of the
object. Only change this if you know what it does.', db_index=True)
tags = models.ManyToManyField(Tag, verbose_name='tags',
db_index=True)
price = models.DecimalField('price', max_digits=15,
decimal_places=2, db_index=True)
def add_product(self):
product = Product(
name = self.name,
identifier = self.identifier,
price = self.price
)
product.save()
return product
def save(self, *args, **kwargs):
# Step 1: Create product
if not self.id:
self.product = self.add_product()
# Step 2: Create Card
super(Card, self).save(*args, **kwargs)
# Step 3: Copy cards many to many to product
# How do I do this?
print self.tags.all() # gives an empty list??
Any help is appreciated
--
You received this message because you are subscribed to the Google Groups
"Django users" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/django-users?hl=en.
