You're primary question is a little tough, ther are a couple of ways
to go. I just wanted to mention that your slug might not be unique
the way you have it and you could get IntegrityError. Also, your
get_absolute_url would be better served with permalink. Your primary
question, well, I'm just arriving at thanksgiving dinner ....
jul wrote:
> hi,
>
> I'm generating, using ModelForm, a form from a Restaurant model, which
> has a Country field.
> Country has a 'code' and a 'name' fields.
> When the form is created in my template, the values of the select
> options are the Country ids. How can I replace them by the Country
> 'code' values. Is it possible to choose which field is used as the
> value by overriding the Country field in the ModelForm?
>
> thanks
>
>
> I have that:
>
> <label for="id_country">Country:</label> <select name="country"
> id="id_country">
> <option value="" selected="selected">---------</option>
> <option value="1">Andorra</option>
> <option value="2">United Arab Emirates</option>
> <option value="3">Afghanistan</option>
>
> and I want that:
>
> <label for="id_country">Country:</label> <select name="country"
> id="id_country">
> <option value="" selected="selected">---------</option>
> <option value="AD">Andorra</option>
> <option value="AE">United Arab Emirates</option>
> <option value="AF">Afghanistan</option>
>
>
> Models and ModelForm:
>
> class Country(models.Model):
> code = models.CharField(max_length=5, unique=True)
> name = models.CharField(max_length=100, unique=True)
>
> class Meta:
> verbose_name_plural = 'Countries'
>
> def __unicode__(self):
> return self.name
>
>
>
> class Restaurant(models.Model):
>
> name = models.CharField(max_length=100)
> country=models.ForeignKey(Country)
> city=models.ForeignKey(City)
> street=models.CharField(max_length=100)
> street_number=models.PositiveSmallIntegerField()
> phone_number=models.CharField(max_length=16, blank=True,
> null=True)
> price_range=models.PositiveSmallIntegerField(blank=True,
> null=True)
> category=models.ManyToManyField(Category, blank=True,
> null=True)
> tag=models.ManyToManyField(Tag, blank=True, null=True)
> slug = models.SlugField(unique=True)
>
> def get_absolute_url(self):
> return "/restaurant/%s/" % self.slug
>
> def __unicode__(self):
> return self.name
>
> def save(self):
> self.slug = slugify(self.name)
> super(Restaurant, self).save()
>
>
> class AddRestaurantForm(ModelForm):
>
> class Meta:
> model = Restaurant
> exclude = ('slug')
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