@classmethod
def get_page_from_preview_token(cls, token):
    content_type = ContentType.objects.get_for_model(cls)
    cls.get_preview_signer().unsign(token)
    try:
        return PagePreview.objects.get(content_type=content_type, token=token).as_page()
    except BaseException:
        return
@classmethod
def get_page_from_preview_token(cls, token):
    content_type = ContentType.objects.get_for_model(cls)
    cls.get_preview_signer().unsign(token)
    try:
        return PagePreview.objects.get(content_type=content_type, token=token).as_page()
    except BaseException:
        return