how can i implement django input form with the default values

Question

writing an online store I have a form to add items to cart with different quantities. I have implemented this through "TypedChoiceField":

class CartAddProductRetailForm(forms.Form):

    quantity = forms.TypedChoiceField(
        choices=PRODUCT_RETAIL_QUANTITY_CHOICES,
        coerce=int,
        label='quantity',
    )

But it looks ridiculous.

Can you tell me how to implement it with a "CharField" or "DecimalField" with a default '1' value.

quantity = forms.DecimalField(max_value=999, min_value=1, )

Thanks!

If the value is supposed to be an integer, use an IntegerField? docs.djangoproject.com/en/3.2/ref/forms/fields/#integerfield — Iain Shelvington
– Iain Shelvington, Commented Nov 29, 2021 at 9:09

yagus · Accepted Answer · 2021-11-29 09:18:45Z

1

Use Form.initial (docs).

#when instantiating your form
quantity = forms.DecimalField(max_value=999, min_value=1, initial={'quantity':1})

or

#when defining your form
class CartAddProductRetailForm(forms.Form):

    quantity = forms.DecimalField(
        choices=PRODUCT_RETAIL_QUANTITY_CHOICES,
        coerce=int,
        label='quantity',
        initial=1,
    )

answered Nov 29, 2021 at 9:18

yagus

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