Replaces text representation of object with link to corresponding admin change page

admin_tools.py

import typing
from functools import wraps

from django.urls import reverse
from django.utils.html import format_html


def display_admin_link(admin_method: typing.Callable=None, *, display_function: typing.Callable=str):
    """
    Returns link to corresponding admin change page of object

    :param admin_method: method of admin class that should return object
    :param display_function: function that should return text for link
    """

    def decorator(func):
        @wraps(func)
        def decorated(*args, **kwargs):
            obj = func(*args, **kwargs)
            value = display_function(obj)
            link = reverse('admin:{}_{}_change'.format(obj._meta.app_label, obj._meta.model_name), args=(obj.pk,))
            return format_html('<a href="{link}">{value}</a>', value=value, link=link)
        return decorated

    if admin_method:
        return decorator(admin_method)

    return decorator