Should 'total_cost' simply:

return total

instead of:

return total_cost(total)

On Aug 25, 5:22 pm, Chris Amico <[EMAIL PROTECTED]> wrote:
> This seems like it should be simple, but I'm getting errors.
>
> I have a model tracking individual purchases. User inputs an item cost
> and quantity; I want the total cost calculated. Here are the relevant
> parts:
>
> class Item(models.Model):
>     name = models.CharField(max_length=100)
>     price = models.DecimalField(max_digits=9, decimal_places=2)
>     quantity = models.IntegerField(default=1)
>     total_cost = models.DecimalField(max_digits=12,
>                                      decimal_places=2,
>                                      blank=True,
>                                      null=True,
>                                      editable=False)
>
>     def total_cost(self):
>        total = (self.price * self.quantity)
>        return total_cost(total)
>
>     def save(self):
>         self.total_cost = self.total_cost()
>         super(Item, self).save()
>
> The error I get is:
>
> NameError at /admin/spending/item/add/
> global name 'total_cost' is not defined
>
> Not sure what that means. Thoughts? Am I missing an exceedingly
> obvious way to do this?

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