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99 lines
3.5 KiB
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==========================
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Django 1.8.1 release notes
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==========================
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*May 1, 2015*
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Django 1.8.1 fixes several bugs in 1.8 and includes some optimizations in the
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migrations framework.
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Bugfixes
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========
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* Added support for serializing :class:`~datetime.timedelta` objects in
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migrations (:ticket:`24566`).
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* Restored proper parsing of the :djadmin:`testserver` command's positional
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arguments (fixture names) (:ticket:`24571`).
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* Prevented ``TypeError`` in translation functions ``check_for_language()`` and
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``get_language_bidi()`` when translations are deactivated (:ticket:`24569`).
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* Fixed :djadmin:`squashmigrations` command when using
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:class:`~django.db.migrations.operations.SeparateDatabaseAndState`
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(:ticket:`24278`).
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* Stripped microseconds from ``datetime`` values when using an older version of
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the MySQLdb DB API driver as it does not support fractional seconds
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(:ticket:`24584`).
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* Fixed a migration crash when altering
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:class:`~django.db.models.ManyToManyField`\s (:ticket:`24513`).
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* Fixed a crash with ``QuerySet.update()`` on foreign keys to one-to-one fields
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(:ticket:`24578`).
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* Fixed a regression in the model detail view of
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:mod:`~django.contrib.admindocs` when a model has a reverse foreign key
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relation (:ticket:`24624`).
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* Prevented arbitrary file inclusions in :mod:`~django.contrib.admindocs`
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(:ticket:`24625`).
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* Fixed a crash with ``QuerySet.update()`` on foreign keys to instances with
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``uuid`` primary keys (:ticket:`24611`).
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* Fixed database introspection with SQLite 3.8.9 (released April 8, 2015)
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(:ticket:`24637`).
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* Updated ``urlpatterns`` examples generated by :djadmin:`startproject` to
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remove usage of referencing views by dotted path in
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``django.conf.urls.url()`` which is deprecated in Django 1.8
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(:ticket:`24635`).
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* Fixed queries where an expression was referenced in ``order_by()``, but
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wasn't part of the select clause. An example query is
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``qs.annotate(foo=F('field')).values('pk').order_by('foo'))``
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(:ticket:`24615`).
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* Fixed a database table name quoting regression (:ticket:`24605`).
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* Prevented the loss of ``null``/``not null`` column properties during field
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alteration of MySQL databases (:ticket:`24595`).
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* Fixed JavaScript path of ``contrib.admin``’s related field widget when using
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alternate static file storages (:ticket:`24655`).
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* Fixed a migration crash when adding new relations to models
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(:ticket:`24573`).
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* Fixed a migration crash when applying migrations with model managers on
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Python 3 that were generated on Python 2 (:ticket:`24701`).
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* Restored the ability to use iterators as queryset filter arguments
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(:ticket:`24719`).
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* Fixed a migration crash when renaming the target model of a many-to-many
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relation (:ticket:`24725`).
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* Removed flushing of the test database with :option:`test --keepdb`, which
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prevented apps with data migrations from using the option (:ticket:`24729`).
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* Fixed ``makemessages`` crash in some locales (:ticket:`23271`).
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* Fixed help text positioning of ``contrib.admin`` fields that use the
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``ModelAdmin.filter_horizontal`` and ``filter_vertical`` options
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(:ticket:`24676`).
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* Fixed ``AttributeError: function 'GDALAllRegister' not found`` error when
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initializing ``contrib.gis`` on Windows.
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Optimizations
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=============
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* Changed ``ModelState`` to deepcopy fields instead of deconstructing and
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reconstructing (:ticket:`24591`). This speeds up the rendering of model
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states and reduces memory usage when running :djadmin:`manage.py migrate
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<migrate>` (although other changes in this release may negate any performance
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benefits).
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