Custom CSS class in Form with template tag filter

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# -*- coding:utf-8 -*-
from django import template

register = template.Library()


@register.filter
def cssclass(form, name_arg):
    """
    Replace the attribute css class for Field 'name' with 'arg'.
    name_args expects format: "attribute_name:special_class"
    """
    name, arg = name_arg.split(':')
    form.fields[name].widget.attrs['class'] = arg

    return form

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Comments

fernandogrd (on October 19, 2011):

ws, very interesting features in django-widget-tweaks, but it applies only to fields, this one applies for form itself.

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