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<div class="section" id="s-django-deprecation-timeline">
<span id="django-deprecation-timeline"></span><h1>Django Deprecation Timeline<a class="headerlink" href="#django-deprecation-timeline" title="Permalink to this headline">¶</a></h1>
<p>This document outlines when various pieces of Django will be removed, following
their deprecation, as per the <a class="reference internal" href="release-process.html#internal-release-deprecation-policy"><em>Django deprecation policy</em></a></p>
<ul>
<li><dl class="first docutils">
<dt>1.3</dt>
<dd><ul class="first last simple">
<li><tt class="docutils literal"><span class="pre">AdminSite.root()</span></tt>. This release will remove the old method for
hooking up admin URLs. This has been deprecated since the 1.1
release.</li>
<li>Authentication backends need to define the boolean attributes
<tt class="docutils literal"><span class="pre">supports_object_permissions</span></tt> and <tt class="docutils literal"><span class="pre">supports_anonymous_user</span></tt>.
The old backend style is deprecated since the 1.2 release.</li>
<li>The <tt class="xref py py-mod docutils literal"><span class="pre">django.contrib.gis.db.backend</span></tt> module, including the
<tt class="docutils literal"><span class="pre">SpatialBackend</span></tt> interface, is deprecated since the 1.2 release.</li>
</ul>
</dd>
</dl>
</li>
<li><dl class="first docutils">
<dt>1.4</dt>
<dd><ul class="first simple">
<li><tt class="docutils literal"><span class="pre">CsrfResponseMiddleware</span></tt>. This has been deprecated since the 1.2
release, in favor of the template tag method for inserting the CSRF
token. <tt class="docutils literal"><span class="pre">CsrfMiddleware</span></tt>, which combines <tt class="docutils literal"><span class="pre">CsrfResponseMiddleware</span></tt>
and <tt class="docutils literal"><span class="pre">CsrfViewMiddleware</span></tt>, is also deprecated.</li>
<li>The old imports for CSRF functionality (<tt class="docutils literal"><span class="pre">django.contrib.csrf.*</span></tt>),
which moved to core in 1.2, will be removed.</li>
<li><tt class="docutils literal"><span class="pre">SMTPConnection</span></tt>. The 1.2 release deprecated the <tt class="docutils literal"><span class="pre">SMTPConnection</span></tt>
class in favor of a generic E-mail backend API.</li>
<li>The many to many SQL generation functions on the database backends
will be removed.</li>
<li>The ability to use the <tt class="docutils literal"><span class="pre">DATABASE_*</span></tt> family of top-level settings to
define database connections will be removed.</li>
<li>The ability to use shorthand notation to specify a database backend
(i.e., <tt class="docutils literal"><span class="pre">sqlite3</span></tt> instead of <tt class="docutils literal"><span class="pre">django.db.backends.sqlite3</span></tt>) will be
removed.</li>
<li>The <tt class="docutils literal"><span class="pre">get_db_prep_save</span></tt>, <tt class="docutils literal"><span class="pre">get_db_prep_value</span></tt> and
<tt class="docutils literal"><span class="pre">get_db_prep_lookup</span></tt> methods on Field were modified in 1.2
to support multiple databases. In 1.4, the support functions
that allow methods with the old prototype to continue
working will be removed.</li>
<li>The <tt class="docutils literal"><span class="pre">Message</span></tt> model (in <tt class="docutils literal"><span class="pre">django.contrib.auth</span></tt>), its related
manager in the <tt class="docutils literal"><span class="pre">User</span></tt> model (<tt class="docutils literal"><span class="pre">user.message_set</span></tt>), and the
associated methods (<tt class="docutils literal"><span class="pre">user.message_set.create()</span></tt> and
<tt class="docutils literal"><span class="pre">user.get_and_delete_messages()</span></tt>), which have
been deprecated since the 1.2 release, will be removed. The
<a class="reference internal" href="../ref/contrib/messages.html"><em>messages framework</em></a> should be used
instead.</li>
<li>Authentication backends need to support the <tt class="docutils literal"><span class="pre">obj</span></tt> parameter for
permission checking. The <tt class="docutils literal"><span class="pre">supports_object_permissions</span></tt> variable
is not checked any longer and can be removed.</li>
<li>Authentication backends need to support the <tt class="docutils literal"><span class="pre">AnonymousUser</span></tt>
being passed to all methods dealing with permissions.
The <tt class="docutils literal"><span class="pre">supports_anonymous_user</span></tt> variable is not checked any
longer and can be removed.</li>
<li>The ability to specify a callable template loader rather than a
<tt class="docutils literal"><span class="pre">Loader</span></tt> class will be removed, as will the <tt class="docutils literal"><span class="pre">load_template_source</span></tt>
functions that are included with the built in template loaders for
backwards compatibility. These have been deprecated since the 1.2
release.</li>
<li><tt class="docutils literal"><span class="pre">django.utils.translation.get_date_formats()</span></tt> and
<tt class="docutils literal"><span class="pre">django.utils.translation.get_partial_date_formats()</span></tt>. These
functions are replaced by the new locale aware formatting; use
<tt class="docutils literal"><span class="pre">django.utils.formats.get_format()</span></tt> to get the appropriate
formats.</li>
<li>In <tt class="docutils literal"><span class="pre">django.forms.fields</span></tt>: <tt class="docutils literal"><span class="pre">DEFAULT_DATE_INPUT_FORMATS</span></tt>,
<tt class="docutils literal"><span class="pre">DEFAULT_TIME_INPUT_FORMATS</span></tt> and
<tt class="docutils literal"><span class="pre">DEFAULT_DATETIME_INPUT_FORMATS</span></tt>. Use
<tt class="docutils literal"><span class="pre">django.utils.formats.get_format()</span></tt> to get the appropriate
formats.</li>
<li>The ability to use a function-based test runners will be removed,
along with the <tt class="docutils literal"><span class="pre">django.test.simple.run_tests()</span></tt> test runner.</li>
<li>The <tt class="docutils literal"><span class="pre">views.feed()</span></tt> view and <tt class="docutils literal"><span class="pre">feeds.Feed</span></tt> class in
<tt class="docutils literal"><span class="pre">django.contrib.syndication</span></tt> have been deprecated since the 1.2
release. The class-based view <tt class="docutils literal"><span class="pre">views.Feed</span></tt> should be used instead.</li>
<li><tt class="docutils literal"><span class="pre">django.core.context_processors.auth</span></tt>. This release will
remove the old method in favor of the new method in
<tt class="docutils literal"><span class="pre">django.contrib.auth.context_processors.auth</span></tt>. This has been
deprecated since the 1.2 release.</li>
<li>The <tt class="docutils literal"><span class="pre">postgresql</span></tt> database backend has been deprecated in favor of
the <tt class="docutils literal"><span class="pre">postgresql_psycopg2</span></tt> backend.</li>
<li>The <tt class="docutils literal"><span class="pre">no</span></tt> language code has been deprecated in favor of the <tt class="docutils literal"><span class="pre">nb</span></tt>
language code.</li>
<li>Authentication backends need to define the boolean attribute
<tt class="docutils literal"><span class="pre">supports_inactive_user</span></tt>.</li>
<li><tt class="docutils literal"><span class="pre">django.db.models.fields.XMLField</span></tt> will be removed. This was
deprecated as part of the 1.3 release. An accelerated deprecation
schedule has been used because the field hasn’t performed any role
beyond that of a simple <tt class="docutils literal"><span class="pre">TextField</span></tt> since the removal of oldforms.
All uses of <tt class="docutils literal"><span class="pre">XMLField</span></tt> can be replaced with <tt class="docutils literal"><span class="pre">TextField</span></tt>.</li>
</ul>
<ul class="last simple">
<li><tt class="docutils literal"><span class="pre">django.db.models.fields.URLField.verify_exists</span></tt> has been
deprecated due to intractable security and performance
issues. Validation behavior has been removed in 1.4, and the
argument will be removed in 1.5.</li>
</ul>
</dd>
</dl>
</li>
<li><dl class="first docutils">
<dt>1.5</dt>
<dd><ul class="first last simple">
<li>The <tt class="docutils literal"><span class="pre">mod_python</span></tt> request handler has been deprecated since the 1.3
release. The <tt class="docutils literal"><span class="pre">mod_wsgi</span></tt> handler should be used instead.</li>
<li>The <tt class="docutils literal"><span class="pre">template</span></tt> attribute on <a class="reference internal" href="../topics/testing.html#django.test.client.Response" title="django.test.client.Response"><tt class="xref py py-class docutils literal"><span class="pre">Response</span></tt></a>
objects returned by the <a class="reference internal" href="../topics/testing.html#test-client"><em>test client</em></a> has been
deprecated since the 1.3 release. The
<a class="reference internal" href="../topics/testing.html#django.test.client.Response.templates" title="django.test.client.Response.templates"><tt class="xref py py-attr docutils literal"><span class="pre">templates</span></tt></a> attribute should be
used instead.</li>
<li>The features of the <tt class="xref py py-class docutils literal"><span class="pre">django.test.simple.DjangoTestRunner</span></tt>
(including fail-fast and Ctrl-C test termination) can now be provided
by the unittest-native <tt class="xref py py-class docutils literal"><span class="pre">TextTestRunner</span></tt>. The
<tt class="xref py py-class docutils literal"><span class="pre">DjangoTestRunner</span></tt> will be removed in
favor of using the unittest-native class.</li>
<li>The undocumented function
<tt class="xref py py-func docutils literal"><span class="pre">django.contrib.formtools.utils.security_hash()</span></tt>
is deprecated, in favor of <tt class="xref py py-func docutils literal"><span class="pre">django.contrib.formtools.utils.form_hmac()</span></tt></li>
<li>The function-based generic views have been deprecated in
favor of their class-based cousins. The following modules
will be removed:<ul>
<li><a class="reference internal" href="../ref/generic-views.html#module-django.views.generic.create_update" title="django.views.generic.create_update"><tt class="xref py py-mod docutils literal"><span class="pre">django.views.generic.create_update</span></tt></a></li>
<li><a class="reference internal" href="../ref/generic-views.html#module-django.views.generic.date_based" title="django.views.generic.date_based"><tt class="xref py py-mod docutils literal"><span class="pre">django.views.generic.date_based</span></tt></a></li>
<li><a class="reference internal" href="../ref/generic-views.html#module-django.views.generic.list_detail" title="django.views.generic.list_detail"><tt class="xref py py-mod docutils literal"><span class="pre">django.views.generic.list_detail</span></tt></a></li>
<li><a class="reference internal" href="../ref/generic-views.html#module-django.views.generic.simple" title="django.views.generic.simple"><tt class="xref py py-mod docutils literal"><span class="pre">django.views.generic.simple</span></tt></a></li>
</ul>
</li>
<li>The <tt class="xref py py-class docutils literal"><span class="pre">AdminMediaHandler</span></tt> has
been deprecated in favor of the
<tt class="xref py py-class docutils literal"><span class="pre">StaticFilesHandler</span></tt>.</li>
<li>The <a class="reference internal" href="../ref/templates/builtins.html#std:templatetag-url"><tt class="xref std std-ttag docutils literal"><span class="pre">url</span></tt></a> and <a class="reference internal" href="../ref/templates/builtins.html#std:templatetag-ssi"><tt class="xref std std-ttag docutils literal"><span class="pre">ssi</span></tt></a> template tags will be
modified so that the first argument to each tag is a
template variable, not an implied string. The new-style
behavior is provided in the <tt class="docutils literal"><span class="pre">future</span></tt> template tag library.</li>
<li>The <a class="reference internal" href="../ref/django-admin.html#django-admin-reset"><tt class="xref std std-djadmin docutils literal"><span class="pre">reset</span></tt></a> and <a class="reference internal" href="../ref/django-admin.html#django-admin-sqlreset"><tt class="xref std std-djadmin docutils literal"><span class="pre">sqlreset</span></tt></a> management commands
are deprecated.</li>
<li>Authentication backends need to support a inactive user
being passed to all methods dealing with permissions.
The <tt class="docutils literal"><span class="pre">supports_inactive_user</span></tt> variable is not checked any
longer and can be removed.</li>
<li><a class="reference internal" href="../ref/contrib/gis/geos.html#django.contrib.gis.geos.GEOSGeometry.transform" title="django.contrib.gis.geos.GEOSGeometry.transform"><tt class="xref py py-meth docutils literal"><span class="pre">transform()</span></tt></a> will raise
a <tt class="xref py py-class docutils literal"><span class="pre">GEOSException</span></tt> when called
on a geometry with no SRID value.</li>
<li><tt class="xref py py-class docutils literal"><span class="pre">CompatCookie</span></tt> will be removed in favor of
<tt class="xref py py-class docutils literal"><span class="pre">SimpleCookie</span></tt>.</li>
<li><tt class="xref py py-class docutils literal"><span class="pre">django.core.context_processors.PermWrapper</span></tt> and
<tt class="xref py py-class docutils literal"><span class="pre">django.core.context_processors.PermLookupDict</span></tt>
will be moved to <tt class="xref py py-class docutils literal"><span class="pre">django.contrib.auth.context_processors.PermWrapper</span></tt>
and <tt class="xref py py-class docutils literal"><span class="pre">django.contrib.auth.context_processors.PermLookupDict</span></tt>,
respectively.</li>
<li>The <a class="reference internal" href="../ref/settings.html#std:setting-MEDIA_URL"><tt class="xref std std-setting docutils literal"><span class="pre">MEDIA_URL</span></tt></a> or <a class="reference internal" href="../ref/settings.html#std:setting-STATIC_URL"><tt class="xref std std-setting docutils literal"><span class="pre">STATIC_URL</span></tt></a> settings are
required to end with a trailing slash to ensure there is a consistent
way to combine paths in templates.</li>
</ul>
</dd>
</dl>
</li>
<li><dl class="first docutils">
<dt>2.0</dt>
<dd><ul class="first last simple">
<li><tt class="docutils literal"><span class="pre">django.views.defaults.shortcut()</span></tt>. This function has been moved
to <tt class="docutils literal"><span class="pre">django.contrib.contenttypes.views.shortcut()</span></tt> as part of the
goal of removing all <tt class="docutils literal"><span class="pre">django.contrib</span></tt> references from the core
Django codebase. The old shortcut will be removed in the 2.0
release.</li>
</ul>
</dd>
</dl>
</li>
</ul>
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