Redirecting to a PDF when "View on site" is clicked in Django admin

models.py

from django.db import models

class SomeModel(models.Model):
    # fields here
    
    class Meta:
        pass
    
    def get_absolute_url(self):
        return reverse('pdf_view', id=self.id)

views.py

from django.http import HttpResponse
from django.template.loader import get_template
import pywkhtmltopdf as pdf

def pdf_view(request, template='templates/pdf.html'):
    c = pdf.HTMLToPDFConverter()
    context = {} # something
    html = get_template(template).render(context)
    data = c.convert(html)
    response = HttpResponse(data, content_type='application/pdf')
    response['Content-Disposition'] = 'attachment; filename=something.pdf'
    return response