Django forms.CharField subclass with additional attribute

I am trying to generate a form dynamically and want to assign indentation of form fields. I am trying to assign an custom attribute offset to forms.CharField in subclass. I plan to use this logic to create a form dynamically from an xml file, where the fields would be indented based on the dept

Subclassing forms.CharField with additional attribute

I am trying to generate a form dynamically and want to assign indentation of form fields. I am trying to assign an custom attribute offset to forms.CharField in subclass. I plan to use this logic to create a form dynamically from an xml file, where the fields would be indented based on the depth