Fixed #15335 -- Improved Sphinx crossref targets and metadata for the sites and flatpages reference docs.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@15562 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -47,6 +47,8 @@ To install the flatpages app, follow these steps:
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4. Run the command :djadmin:`manage.py syncdb <syncdb>`.
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4. Run the command :djadmin:`manage.py syncdb <syncdb>`.
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.. currentmodule:: django.contrib.flatpages.middleware
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How it works
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How it works
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============
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============
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@ -56,25 +58,29 @@ that simply maps a URL to a title and bunch of text content.
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``django_flatpage_sites`` associates a flatpage with a site.
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``django_flatpage_sites`` associates a flatpage with a site.
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The :class:`~django.contrib.flatpages.middleware.FlatpageFallbackMiddleware`
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The :class:`~django.contrib.flatpages.middleware.FlatpageFallbackMiddleware`
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does all of the work. Each time any Django application raises a 404 error, this
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does all of the work.
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middleware checks the flatpages database for the requested URL as a last resort.
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Specifically, it checks for a flatpage with the given URL with a site ID that
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corresponds to the :setting:`SITE_ID` setting.
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If it finds a match, it follows this algorithm:
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.. class:: FlatpageFallbackMiddleware
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* If the flatpage has a custom template, it loads that template. Otherwise,
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Each time any Django application raises a 404 error, this middleware
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it loads the template :file:`flatpages/default.html`.
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checks the flatpages database for the requested URL as a last resort.
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Specifically, it checks for a flatpage with the given URL with a site ID
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that corresponds to the :setting:`SITE_ID` setting.
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* It passes that template a single context variable, :data:`flatpage`, which
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If it finds a match, it follows this algorithm:
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is the flatpage object. It uses
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:class:`~django.template.context.RequestContext` in rendering the
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template.
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If it doesn't find a match, the request continues to be processed as usual.
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* If the flatpage has a custom template, it loads that template.
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Otherwise, it loads the template :file:`flatpages/default.html`.
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The middleware only gets activated for 404s -- not for 500s or responses of any
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* It passes that template a single context variable, ``flatpage``,
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other status code.
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which is the flatpage object. It uses
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:class:`~django.template.RequestContext` in rendering the
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template.
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If it doesn't find a match, the request continues to be processed as usual.
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The middleware only gets activated for 404s -- not for 500s or responses
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of any other status code.
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.. admonition:: Flatpages will not apply view middleware
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.. admonition:: Flatpages will not apply view middleware
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@ -104,6 +110,8 @@ For more on middleware, read the :doc:`middleware docs
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:class:`~django.contrib.flatpages.middleware.FlatpageFallbackMiddleware`
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:class:`~django.contrib.flatpages.middleware.FlatpageFallbackMiddleware`
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will not attempt to serve a flat page.
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will not attempt to serve a flat page.
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.. currentmodule:: django.contrib.flatpages.models
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How to add, change and delete flatpages
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How to add, change and delete flatpages
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=======================================
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=======================================
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@ -117,7 +125,7 @@ other object in the system.
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Via the Python API
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Via the Python API
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------------------
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------------------
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.. class:: models.FlatPage
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.. class:: FlatPage
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Flatpages are represented by a standard
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Flatpages are represented by a standard
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:doc:`Django model </topics/db/models>`,
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:doc:`Django model </topics/db/models>`,
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@ -126,6 +134,8 @@ Via the Python API
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.. _django/contrib/flatpages/models.py: http://code.djangoproject.com/browser/django/trunk/django/contrib/flatpages/models.py
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.. _django/contrib/flatpages/models.py: http://code.djangoproject.com/browser/django/trunk/django/contrib/flatpages/models.py
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.. currentmodule:: django.contrib.flatpages
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Flatpage templates
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Flatpage templates
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==================
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==================
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@ -141,7 +151,7 @@ Creating the :file:`flatpages/default.html` template is your responsibility;
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in your template directory, just create a :file:`flatpages` directory
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in your template directory, just create a :file:`flatpages` directory
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containing a file :file:`default.html`.
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containing a file :file:`default.html`.
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Flatpage templates are passed a single context variable, :data:`flatpage`,
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Flatpage templates are passed a single context variable, ``flatpage``,
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which is the flatpage object.
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which is the flatpage object.
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Here's a sample :file:`flatpages/default.html` template:
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Here's a sample :file:`flatpages/default.html` template:
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@ -164,7 +174,7 @@ both ``flatpage.title`` and ``flatpage.content`` are marked as **not**
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requiring :ref:`automatic HTML escaping <automatic-html-escaping>` in the
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requiring :ref:`automatic HTML escaping <automatic-html-escaping>` in the
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template.
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template.
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Getting a list of :class:`~django.contrib.flatpages.models.Flatpage` objects in your templates
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Getting a list of :class:`~django.contrib.flatpages.models.FlatPage` objects in your templates
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==============================================================================================
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==============================================================================================
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.. versionadded:: 1.3
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.. versionadded:: 1.3
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@ -194,7 +204,7 @@ Displaying ``registration_required`` flatpages
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----------------------------------------------
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----------------------------------------------
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By default, the :ttag:`get_flatpages` templatetag will only show
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By default, the :ttag:`get_flatpages` templatetag will only show
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flatpages that are marked :attr:`registration_required`\=False. If you
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flatpages that are marked ``registration_required = False``. If you
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want to display registration-protected flatpages, you need to specify
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want to display registration-protected flatpages, you need to specify
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an authenticated user using a``for`` clause.
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an authenticated user using a``for`` clause.
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@ -6,6 +6,8 @@ The "sites" framework
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:synopsis: Lets you operate multiple Web sites from the same database and
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:synopsis: Lets you operate multiple Web sites from the same database and
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Django project
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Django project
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.. currentmodule:: django.contrib.sites.models
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Django comes with an optional "sites" framework. It's a hook for associating
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Django comes with an optional "sites" framework. It's a hook for associating
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objects and functionality to particular Web sites, and it's a holding place for
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objects and functionality to particular Web sites, and it's a holding place for
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the domain names and "verbose" names of your Django-powered sites.
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the domain names and "verbose" names of your Django-powered sites.
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@ -15,13 +17,21 @@ need to differentiate between those sites in some way.
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The whole sites framework is based on a simple model:
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The whole sites framework is based on a simple model:
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.. class:: django.contrib.sites.models.Site
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.. class:: Site
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A model for storing the ``domain`` and ``name`` attributes of a Web site.
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The :setting:`SITE_ID` setting specifies the database ID of the
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:class:`~django.contrib.sites.models.Site` object associated with that
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particular settings file.
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.. attribute:: domain
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The domain name associated with the Web site.
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.. attribute:: name
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A human-readable "verbose" name for the Web site.
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This model has :attr:`~django.contrib.sites.models.Site.domain` and
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:attr:`~django.contrib.sites.models.Site.name` fields. The :setting:`SITE_ID`
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setting specifies the database ID of the
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:class:`~django.contrib.sites.models.Site` object associated with that
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particular settings file.
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How you use this is up to you, but Django uses it in a couple of ways
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How you use this is up to you, but Django uses it in a couple of ways
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automatically via simple conventions.
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automatically via simple conventions.
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@ -85,9 +95,10 @@ This accomplishes several things quite nicely:
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Associating content with a single site
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Associating content with a single site
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--------------------------------------
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--------------------------------------
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Similarly, you can associate a model to the :class:`~django.contrib.sites.models.Site`
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Similarly, you can associate a model to the
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:class:`~django.contrib.sites.models.Site`
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model in a many-to-one relationship, using
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model in a many-to-one relationship, using
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:class:`~django.db.models.fields.related.ForeignKey`.
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:class:`~django.db.models.ForeignKey`.
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For example, if an article is only allowed on a single site, you'd use a model
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For example, if an article is only allowed on a single site, you'd use a model
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like this::
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like this::
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@ -158,6 +169,15 @@ the sites framework is installed) or a RequestSite instance (if it is not).
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This allows loose coupling with the sites framework and provides a usable
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This allows loose coupling with the sites framework and provides a usable
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fallback for cases where it is not installed.
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fallback for cases where it is not installed.
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.. versionadded:: 1.3
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.. function:: get_current_site(request)
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Checks if contrib.sites is installed and returns either the current
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:class:`~django.contrib.sites.models.Site` object or a
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:class:`~django.contrib.sites.models.RequestSite` object based on
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the request.
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Getting the current domain for display
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Getting the current domain for display
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--------------------------------------
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--------------------------------------
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@ -260,10 +280,12 @@ clear the cache using ``Site.objects.clear_cache()``::
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Site.objects.clear_cache()
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Site.objects.clear_cache()
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current_site = Site.objects.get_current()
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current_site = Site.objects.get_current()
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.. currentmodule:: django.contrib.sites.managers
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The ``CurrentSiteManager``
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The ``CurrentSiteManager``
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==========================
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==========================
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.. class:: django.contrib.sites.managers.CurrentSiteManager
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.. class:: CurrentSiteManager
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If :class:`~django.contrib.sites.models.Site` plays a key role in your
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If :class:`~django.contrib.sites.models.Site` plays a key role in your
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application, consider using the helpful
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application, consider using the helpful
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@ -300,9 +322,9 @@ How did :class:`~django.contrib.sites.managers.CurrentSiteManager`
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know which field of ``Photo`` was the
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know which field of ``Photo`` was the
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:class:`~django.contrib.sites.models.Site`? By default,
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:class:`~django.contrib.sites.models.Site`? By default,
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:class:`~django.contrib.sites.managers.CurrentSiteManager` looks for a
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:class:`~django.contrib.sites.managers.CurrentSiteManager` looks for a
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either a :class:`~django.db.models.fields.related.ForeignKey` called
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either a :class:`~django.db.models.ForeignKey` called
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``site`` or a
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``site`` or a
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:class:`~django.db.models.fields.related.ManyToManyField` called
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:class:`~django.db.models.ManyToManyField` called
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``sites`` to filter on. If you use a field named something other than
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``sites`` to filter on. If you use a field named something other than
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``site`` or ``sites`` to identify which
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``site`` or ``sites`` to identify which
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:class:`~django.contrib.sites.models.Site` objects your object is
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:class:`~django.contrib.sites.models.Site` objects your object is
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on_site = CurrentSiteManager('publish_on')
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on_site = CurrentSiteManager('publish_on')
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If you attempt to use :class:`~django.contrib.sites.managers.CurrentSiteManager`
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If you attempt to use :class:`~django.contrib.sites.managers.CurrentSiteManager`
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and pass a field name that doesn't exist, Django will raise a :exc:`ValueError`.
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and pass a field name that doesn't exist, Django will raise a ``ValueError``.
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Finally, note that you'll probably want to keep a normal
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Finally, note that you'll probably want to keep a normal
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(non-site-specific) ``Manager`` on your model, even if you use
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(non-site-specific) ``Manager`` on your model, even if you use
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:class:`~django.contrib.sites.models.Site` name to the template as
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:class:`~django.contrib.sites.models.Site` name to the template as
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``{{ site_name }}``.
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``{{ site_name }}``.
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* The shortcut view (:func:`django.views.defaults.shortcut`) uses the domain
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* The shortcut view (``django.views.defaults.shortcut``) uses the domain
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of the current :class:`~django.contrib.sites.models.Site` object when
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of the current :class:`~django.contrib.sites.models.Site` object when
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calculating an object's URL.
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calculating an object's URL.
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@ -387,6 +409,7 @@ Here's how Django uses the sites framework:
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:class:`~django.contrib.sites.models.Site` to work out the domain for the
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:class:`~django.contrib.sites.models.Site` to work out the domain for the
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site that it will redirect to.
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site that it will redirect to.
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.. currentmodule:: django.contrib.sites.models
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``RequestSite`` objects
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``RequestSite`` objects
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=======================
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=======================
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@ -401,13 +424,26 @@ requires.) For those cases, the framework provides a
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:class:`~django.contrib.sites.models.RequestSite` class, which can be used as a
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:class:`~django.contrib.sites.models.RequestSite` class, which can be used as a
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fallback when the database-backed sites framework is not available.
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fallback when the database-backed sites framework is not available.
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.. class:: RequestSite
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A class that shares the primary interface of
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:class:`~django.contrib.sites.models.Site` (i.e., it has
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``domain`` and ``name`` attributes) but gets its data from a Django
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:class:`~django.http.HttpRequest` object rather than from a database.
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The ``save()`` and ``delete()`` methods raise ``NotImplementedError``.
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.. method:: __init__(request)
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Sets the ``name`` and ``domain`` attributes to the value of
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:meth:`~django.http.HttpRequest.get_host`.
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A :class:`~django.contrib.sites.models.RequestSite` object has a similar
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A :class:`~django.contrib.sites.models.RequestSite` object has a similar
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interface to a normal :class:`~django.contrib.sites.models.Site` object, except
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interface to a normal :class:`~django.contrib.sites.models.Site` object, except
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its :meth:`~django.contrib.sites.models.RequestSite.__init__()` method takes an
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its :meth:`~django.contrib.sites.models.RequestSite.__init__()` method takes an
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:class:`~django.http.HttpRequest` object. It's able to deduce the
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:class:`~django.http.HttpRequest` object. It's able to deduce the
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:attr:`~django.contrib.sites.models.RequestSite.domain` and
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``domain`` and ``name`` by looking at the request's domain. It has ``save()``
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:attr:`~django.contrib.sites.models.RequestSite.name` by looking at the
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and ``delete()`` methods to match the interface of
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request's domain. It has :meth:`~django.contrib.sites.models.RequestSite.save()`
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:class:`~django.contrib.sites.models.Site`, but the methods raise
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and :meth:`~django.contrib.sites.models.RequestSite.delete()` methods to match
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``NotImplementedError``.
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the interface of :class:`~django.contrib.sites.models.Site`, but the methods
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raise :exc:`NotImplementedError`.
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