diff options
| author | Víðir Valberg Guðmundsson <valberg@orn.li> | 2014-04-13 17:18:02 +0200 |
|---|---|---|
| committer | Tim Graham <timograham@gmail.com> | 2014-04-25 10:12:31 -0400 |
| commit | deb561bbe2dbacac32d65272beab3a7708e2c31d (patch) | |
| tree | 2d6a176e25f739690facd3034acd3350f3879a6d /docs/releases | |
| parent | 3776926cfe503f16c7195621da20c5b89bda70a2 (diff) | |
Fixed #22422 -- Moved information about the application loading process to refs/applications.txt.
Diffstat (limited to 'docs/releases')
| -rw-r--r-- | docs/releases/1.7.txt | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/docs/releases/1.7.txt b/docs/releases/1.7.txt index 8aec55d443..192c72bbd8 100644 --- a/docs/releases/1.7.txt +++ b/docs/releases/1.7.txt @@ -877,41 +877,8 @@ Start-up sequence Django 1.7 loads application configurations and models as soon as it starts. While this behavior is more straightforward and is believed to be more robust, -regressions cannot be ruled out. You may encounter the following exceptions: - -* ``RuntimeError: App registry isn't ready yet.`` This happens when importing - an application configuration or a models module triggers code that depends - on the app registry. - - For example, :func:`~django.utils.translation.ugettext()` uses the app - registry to look up translation catalogs in applications. To translate at - import time, you need :func:`~django.utils.translation.ugettext_lazy()` - instead. (Using :func:`~django.utils.translation.ugettext()` would be a bug, - because the translation would happen at import time, rather than at each - request depending on the active language.) - - Executing database queries with the ORM at import time in models modules - will also trigger this exception. The ORM cannot function properly until all - models are available. - - Another common culprit is :func:`django.contrib.auth.get_user_model()`. Use - the :setting:`AUTH_USER_MODEL` setting to reference the User model at import - time. - -* ``ImportError: cannot import name ...`` This happens if the import sequence - ends up in a loop. - - To eliminate such problems, you should minimize dependencies between your - models modules and do as little work as possible at import time. To avoid - executing code at import time, you can move it into a function and cache its - results. The code will be executed when you first need its results. This - concept is known as "lazy evaluation". - -* ``django.contrib.admin`` will now automatically perform autodiscovery of - ``admin`` modules in installed applications. To prevent it, change your - :setting:`INSTALLED_APPS` to contain - ``'django.contrib.admin.apps.SimpleAdminConfig'`` instead of - ``'django.contrib.admin'``. +regressions cannot be ruled out. See :ref:`application-loading-process` for +solutions to some problems you may encounter. Standalone scripts ^^^^^^^^^^^^^^^^^^ |
