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Code Issues 32 Releases Wiki Activity

Fixed #16905 -- Added extensible checks (nee validation) framework

Browse Source 
This is the result of Christopher Medrela's 2013 Summer of Code project.

Thanks also to Preston Holmes, Tim Graham, Anssi Kääriäinen, Florian
Apolloner, and Alex Gaynor for review notes along the way.

Also: Fixes #8579, fixes #3055, fixes #19844.
This commit is contained in:
Russell Keith-Magee
2014-01-20 10:45:21 +08:00
parent 6e7bd0b63b
commit d818e0c9b2
101 changed files with 7058 additions and 1958 deletions
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42
docs/releases/1.7.txt
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@@ -140,6 +140,17 @@ Using a custom manager when traversing reverse relations
It is now possible to :ref:`specify a custom manager
<using-custom-reverse-manager>` when traversing a reverse relationship.
New system check framework
~~~~~~~~~~~~~~~~~~~~~~~~~~
We've added a new :doc:`System check framework </ref/checks>` for
detecting common problems (like invalid models) and providing hints for
resolving those problems. The framework is extensible so you can add your
own checks for your own apps and libraries.
To perform system checks, you use the :djadmin:`check` management command.
This command replaces the older :djadmin:`validate` management command.
New ``Prefetch`` object for advanced ``prefetch_related`` operations.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -993,7 +1004,7 @@ considered a bug and has been addressed.
``syncdb``
~~~~~~~~~~
The ``syncdb`` command has been deprecated in favour of the new ``migrate``
The :djadmin:`syncdb` command has been deprecated in favor of the new :djadmin:`migrate`
command. ``migrate`` takes the same arguments as ``syncdb`` used to plus a few
more, so it's safe to just change the name you're calling and nothing else.
@@ -1103,3 +1114,32 @@ remove the setting from your configuration at your convenience.
``SplitDateTimeWidget`` support in :class:`~django.forms.DateTimeField` is
deprecated, use ``SplitDateTimeWidget`` with
:class:`~django.forms.SplitDateTimeField` instead.
``validate``
~~~~~~~~~~~~
:djadmin:`validate` command is deprecated in favor of :djadmin:`check` command.
``django.core.management.BaseCommand``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
``requires_model_validation`` is deprecated in favor of a new
``requires_system_checks`` flag. If the latter flag is missing, then the
value of the former flag is used. Defining both ``requires_system_checks`` and
``requires_model_validation`` results in an error.
The ``check()`` method has replaced the old ``validate()`` method.
``ModelAdmin.validator``
~~~~~~~~~~~~~~~~~~~~~~~~
``ModelAdmin.validator`` is deprecated in favor of new ``checks`` attribute.
``django.db.backends.DatabaseValidation.validate_field``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This method is deprecated in favor of a new ``check_field`` method.
The functionality required by ``check_field()`` is the same as that provided
by ``validate_field()``, but the output format is different. Third-party database
backends needing this functionality should modify their backends to provide an
implementation of ``check_field()``.