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Add model form field meta data in a DRY way

Author:
jedie
Posted:
March 17, 2009
Language:
Python
Version:
1.0
Score:
1 (after 1 ratings)

Change field meta data or add a html attribute to a ModelForm field in a DRY way.

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class FooBar(models.Model):
    ...
    count = models.PositiveIntegerField()
    foo = models.CharField()
    ...


class FooBarForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super(FooBarForm, self).__init__(*args, **kwargs)

        # Change field meta data in a DRY way
        self.fields['count'].min_value = 1
        self.fields['count'].max_value = 30
        
        # Add html attribute in a DRY way
        self.fields['foo'].widget.attrs["size"] = 5 

    class Meta:
        model = FooBar

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