Fixed #6470: made the admin use a URL resolver.

This *is* backwards compatible, but `admin.site.root()` has been deprecated. The new style is `('^admin/', include(admin.site.urls))`; users will need to update their code to take advantage of the new customizable admin URLs.

Thanks to Alex Gaynor.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9739 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/admin_views/customadmin.py

@@ -0,0 +1,30 @@
+"""
+A second, custom AdminSite -- see tests.CustomAdminSiteTests.
+"""
+from django.conf.urls.defaults import patterns
+from django.contrib import admin
+from django.http import HttpResponse
+
+import models
+
+class Admin2(admin.AdminSite):
+    login_template = 'custom_admin/login.html'
+    index_template = 'custom_admin/index.html'
+    
+    # A custom index view.
+    def index(self, request, extra_context=None):
+        return super(Admin2, self).index(request, {'foo': '*bar*'})
+    
+    def get_urls(self):
+        return patterns('',
+            (r'^my_view/$', self.admin_view(self.my_view)),
+        ) + super(Admin2, self).get_urls()
+    
+    def my_view(self, request):
+        return HttpResponse("Django is a magical pony!")
+    
+site = Admin2(name="admin2")
+
+site.register(models.Article, models.ArticleAdmin)
+site.register(models.Section, inlines=[models.ArticleInline])
+site.register(models.Thing, models.ThingAdmin)