Django Forms How To Add Form Field Attribute

I'm using django-crispy-forms I want to add an attribute http-prefix to the outputted domain field, for example like this... Ho

Solution 1:

Simply update the attribute by setting the value to empty string:

def __init__(self, *args, **kwargs):
    super(SchemeForm, self).__init__(*args, **kwargs)

    #...
    self.fields['domain'].widget.attrs['http-prefix'] = ''