How can I add an attribute to each option in a django model form containing a foreign key?

[Jonathan Dan]

Hello,

I have two models:

class Currency(models.Model):
...
available = models.BooleanField()

class Offer(models.Model):
...
currency = models.ForeignKey('Currency')

I make a form from the Offer model:

class OfferForm(ModelForm):
class Meta:
model = Offer

How can I add an attribute tag with the value `currency.available` to
each `<option>` from the `<select>` `Currency` widget?

(I am also open to solutions using external apps (like
django-crispy-forms))

(This question has also been asked on stackoverflow:
http://stackoverflow.com/q/27474719/1011154 )

Best regards
Jonathan Dan

[Vijay Khemlani]

If the crispy form is using the usual render methods of Django you can subclass the Select class (in forms/widgets.py), reimplement the "render_option" method and add the parameter to the returned HTML, then you can set the widget attribute of the form field to your created class.

I don't know whether django crispy forms provides a better alternative

Jonathan Dan

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