forms.py

# Form Input tag example
# forms.py

def set_field_html_name(field, new_name):
    """
        :param field: 대상 필드
        :param new_name: 변경할 이름 type(str)
        
        html tag에 name 옵션을 Django Form Field Variable(변수)가 아닌
        new_name 인자로 강제 할당
    """
    
    old_render = field.widget.render
    def _widget_render_wrapper(name, value, attrs=None):
        return old_render(new_name, value, attrs)

    cls.widget.render = _widget_render_wrapper

class TestForm(forms.modelsForm):
    def __init__(self, *args, **kwargs):
        super(TestForm, self).__init__(*args, **kwargs)
        set_field_html_name(self.fields['nametest'], "on_change")
    
    nametest = forms.Charfield(required=False, widget=forms.TextInput(attrs={
        'name':'on_change',
        'id':'test',
        'class':'class',
        'type':'radio',
    })