magic-removal: Tiny refactoring/reformatting of admin code

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1829 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/views/main.py

@@ -58,8 +58,7 @@ def find_model(mod, remaining):
 
 def get_app_label(mod):
     #HACK
-    modcomps = mod.__name__.split('.')
-    return modcomps[-2]
+    return mod.__name__.split('.')[-2]
 
 def get_model_and_app(path):
     comps = path.split('/')
@@ -87,7 +86,7 @@ def url_for_model(model):
                 url = "%s%s/%s/" % (ADMIN_PREFIX, '/'.join(comps) , model.__name__.lower())
                 _model_urls[model] = url
                 return url
-        raise ImproperlyConfigured('%s is not a model in an installed app' % model.__name__ )
+        raise ImproperlyConfigured, '%s is not a model in an installed app' % model.__name__
 
 def index(request):
     return render_to_response('admin/index', {'title': _('Site administration')}, context_instance=Context(request))

django/contrib/admin/views/stages/add.py

@@ -3,6 +3,7 @@ from django.contrib.admin.views.decorators import staff_member_required
 from django.contrib.admin.views.main import get_model_and_app
 from django.contrib.admin.views.stages.modify import render_change_form
 from django.core import formfields, template
+from django.core.exceptions import Http404, ImproperlyConfigured, ObjectDoesNotExist, PermissionDenied
 from django.core.extensions import DjangoContext as Context
 from django.db import models
 from django.utils.httpwrappers import HttpResponse, HttpResponseRedirect

django/contrib/admin/views/stages/change.py

@@ -1,5 +1,6 @@
 from django.contrib.admin.views.main import get_model_and_app
 from django.core import formfields, template
+from django.core.exceptions import Http404, ImproperlyConfigured, ObjectDoesNotExist, PermissionDenied
 from django.core.extensions import DjangoContext as Context
 from django.contrib.admin.views.stages.modify import render_change_form
 from django.db import models
@@ -11,8 +12,6 @@ try:
 except ImportError:
     raise ImproperlyConfigured, "You don't have 'django.contrib.admin' in INSTALLED_APPS."
 
-from django.core.exceptions import Http404, ImproperlyConfigured, ObjectDoesNotExist
-
 def log_change_message(user, opts, manipulator, new_object):
     pk_value = getattr(new_object, opts.pk.column)
     # Construct the change message.