from functools import update_wrapper from django.contrib import admin from django.db import models from django.http import HttpResponseRedirect from django.urls import reverse from django.utils.encoding import python_2_unicode_compatible @python_2_unicode_compatible class Action(models.Model): name = models.CharField(max_length=50, primary_key=True) description = models.CharField(max_length=70) def __str__(self): return self.name class ActionAdmin(admin.ModelAdmin): """ A ModelAdmin for the Action model that changes the URL of the add_view to '//!add/' The Action model has a CharField PK. """ list_display = ('name', 'description') def remove_url(self, name): """ Remove all entries named 'name' from the ModelAdmin instance URL patterns list """ return [url for url in super(ActionAdmin, self).get_urls() if url.name != name] def get_urls(self): # Add the URL of our custom 'add_view' view to the front of the URLs # list. Remove the existing one(s) first from django.conf.urls import url def wrap(view): def wrapper(*args, **kwargs): return self.admin_site.admin_view(view)(*args, **kwargs) return update_wrapper(wrapper, view) info = self.model._meta.app_label, self.model._meta.model_name view_name = '%s_%s_add' % info return [ url(r'^!add/$', wrap(self.add_view), name=view_name), ] + self.remove_url(view_name) class Person(models.Model): name = models.CharField(max_length=20) class PersonAdmin(admin.ModelAdmin): def response_post_save_add(self, request, obj): return HttpResponseRedirect( reverse('admin:admin_custom_urls_person_history', args=[obj.pk])) def response_post_save_change(self, request, obj): return HttpResponseRedirect( reverse('admin:admin_custom_urls_person_delete', args=[obj.pk])) class Car(models.Model): name = models.CharField(max_length=20) class CarAdmin(admin.ModelAdmin): def response_add(self, request, obj, post_url_continue=None): return super(CarAdmin, self).response_add( request, obj, post_url_continue=reverse('admin:admin_custom_urls_car_history', args=[obj.pk])) site = admin.AdminSite(name='admin_custom_urls') site.register(Action, ActionAdmin) site.register(Person, PersonAdmin) site.register(Car, CarAdmin)