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django/docs/releases/1.6.txt
Ramiro Morales 47ddd6a408 Fixed #19552 -- Enhanced makemessages handling of `{# #}`-style template comments.
They are simply ignored now. This allows for a more correct behavior when
they are placed before translatable constructs on the same line.

Previously, the latter were wrongly ignored because the former were
preserved when converting template code to the internal Python-syntax
form later fed to xgettext but Python has no ``/* ... */``-style
comments.

Also, special comments directed to translators are now only taken in
account when they are located at the end of a line. e.g.::

  {# Translators: ignored #}{% trans "Literal A" %}{# Translators: valid, associated with "Literal B" below #}
  {% trans "Literal B" %}

Behavior of ``{% comment %}...{% endcomment %}``tags remains unchanged.

Thanks juneih at redpill-linpro dot com for the report and Claude for
his work on the issue.
2013-01-29 19:13:23 -03:00

104 lines
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============================================
Django 1.6 release notes - UNDER DEVELOPMENT
============================================
Welcome to Django 1.6!
These release notes cover the `new features`_, as well as some `backwards
incompatible changes`_ you'll want to be aware of when upgrading from Django
1.5 or older versions. We've also dropped some features, which are detailed in
:doc:`our deprecation plan </internals/deprecation>`, and we've `begun the
deprecation process for some features`_.
.. _`new features`: `What's new in Django 1.6`_
.. _`backwards incompatible changes`: `Backwards incompatible changes in 1.6`_
.. _`begun the deprecation process for some features`: `Features deprecated in 1.6`_
What's new in Django 1.6
========================
Minor features
~~~~~~~~~~~~~~
* Authentication backends can raise ``PermissionDenied`` to immediately fail
the authentication chain.
* The ``assertQuerysetEqual()`` now checks for undefined order and raises
``ValueError`` if undefined order is spotted. The order is seen as
undefined if the given ``QuerySet`` isn't ordered and there are more than
one ordered values to compare against.
* Added :meth:`~django.db.models.query.QuerySet.earliest` for symmetry with
:meth:`~django.db.models.query.QuerySet.latest`.
* The default widgets for :class:`~django.forms.EmailField` and
:class:`~django.forms.URLField` use the new type attributes available in
HTML5 (type='email', type='url').
Backwards incompatible changes in 1.6
=====================================
* The ``django.db.models.query.EmptyQuerySet`` can't be instantiated any more -
it is only usable as a marker class for checking if
:meth:`~django.db.models.query.QuerySet.none` has been called:
``isinstance(qs.none(), EmptyQuerySet)``
* If your CSS/Javascript code used to access HTML input widgets by type, you
should review it as ``type='text'`` widgets might be now output as
``type='email'`` or ``type='url'`` depending on their corresponding field type.
* Extraction of translatable literals from templates with the
:djadmin:`makemessages` command now correctly detects i18n constructs when
they are located after a ``{#`` / ``#}``-type comment on the same line. E.g.:
.. code-block:: html+django
{# A comment #}{% trans "This literal was incorrectly ignored. Not anymore" %}
* (Related to the above item.) Validation of the placement of
:ref:`translator-comments-in-templates` specified using ``{#`` / ``#}`` is now
stricter. All translator comments not located at the end of their respective
lines in a template are ignored and a warning is generated by
:djadmin:`makemessages` when it finds them. E.g.:
.. code-block:: html+django
{# Translators: This is ignored #}{% trans "Translate me" %}
{{ title }}{# Translators: Extracted and associated with 'Welcome' below #}
<h1>{% trans "Welcome" %}</h1>
.. warning::
In addition to the changes outlined in this section, be sure to review the
:doc:`deprecation plan </internals/deprecation>` for any features that
have been removed. If you haven't updated your code within the
deprecation timeline for a given feature, its removal may appear as a
backwards incompatible change.
Features deprecated in 1.6
==========================
``SEND_BROKEN_LINK_EMAILS`` setting
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:class:`~django.middleware.common.CommonMiddleware` used to provide basic
reporting of broken links by email when ``SEND_BROKEN_LINK_EMAILS`` is set to
``True``.
Because of intractable ordering problems between
:class:`~django.middleware.common.CommonMiddleware` and
:class:`~django.middleware.locale.LocaleMiddleware`, this feature was split
out into a new middleware:
:class:`~django.middleware.common.BrokenLinkEmailsMiddleware`.
If you're relying on this feature, you should add
``'django.middleware.common.BrokenLinkEmailsMiddleware'`` to your
:setting:`MIDDLEWARE_CLASSES` setting and remove ``SEND_BROKEN_LINK_EMAILS``
from your settings.
``_has_changed`` method on widgets
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
If you defined your own form widgets and defined the ``_has_changed`` method
on a widget, you should now define this method on the form field itself.