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Made more extensive use of get_current_site 

Refs #15089
This commit is contained in:
Claude Paroz 2012-09-28 20:10:22 +02:00
parent 1cd6e04cd4
commit 6c2faaceb0
6 changed files with 35 additions and 42 deletions
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4
django/contrib/comments/moderation.py
View File

@ -62,7 +62,7 @@ from django.contrib.comments import signals
from django.db.models.base import ModelBase
from django.template import Context, loader
from django.contrib import comments
from django.contrib.sites.models import Site
from django.contrib.sites.models import get_current_site
from django.utils import timezone
class AlreadyModerated(Exception):
@ -240,7 +240,7 @@ class CommentModerator(object):
t = loader.get_template('comments/comment_notification_email.txt')
c = Context({ 'comment': comment,
'content_object': content_object })
subject = '[%s] New comment posted on "%s"' % (Site.objects.get_current().name,
subject = '[%s] New comment posted on "%s"' % (get_current_site(request).name,
content_object)
message = t.render(c)
send_mail(subject, message, settings.DEFAULT_FROM_EMAIL, recipient_list, fail_silently=True)

5
django/contrib/contenttypes/tests.py
View File

@ -3,7 +3,7 @@ from __future__ import unicode_literals
from django.db import models
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes.views import shortcut
from django.contrib.sites.models import Site
from django.contrib.sites.models import Site, get_current_site
from django.http import HttpRequest, Http404
from django.test import TestCase
from django.utils.http import urlquote
@ -219,9 +219,8 @@ class ContentTypesTests(TestCase):
obj = FooWithUrl.objects.create(name="john")
if Site._meta.installed:
current_site = Site.objects.get_current()
response = shortcut(request, user_ct.id, obj.id)
self.assertEqual("http://%s/users/john/" % current_site.domain,
self.assertEqual("http://%s/users/john/" % get_current_site(request).domain,
response._headers.get("location")[1])
Site._meta.installed = False

7
django/contrib/flatpages/templatetags/flatpages.py
View File

@ -1,6 +1,7 @@
from django import template
from django.conf import settings
from django.contrib.flatpages.models import FlatPage
from django.contrib.sites.models import get_current_site
register = template.Library()
@ -19,7 +20,11 @@ class FlatpageNode(template.Node):
self.user = None
def render(self, context):
flatpages = FlatPage.objects.filter(sites__id=settings.SITE_ID)
if 'request' in context:
site_pk = get_current_site(context['request']).pk
else:
site_pk = settings.SITE_ID
flatpages = FlatPage.objects.filter(sites__id=site_pk)
# If a prefix was specified, add a filter
if self.starts_with:
flatpages = flatpages.filter(

6
django/contrib/redirects/middleware.py
View File

@ -1,4 +1,5 @@
from django.contrib.redirects.models import Redirect
from django.contrib.sites.models import get_current_site
from django import http
from django.conf import settings
@ -7,14 +8,15 @@ class RedirectFallbackMiddleware(object):
if response.status_code != 404:
return response # No need to check for a redirect for non-404 responses.
path = request.get_full_path()
current_site = get_current_site(request)
try:
r = Redirect.objects.get(site__id__exact=settings.SITE_ID, old_path=path)
r = Redirect.objects.get(site__id__exact=current_site.id, old_path=path)
except Redirect.DoesNotExist:
r = None
if r is None and settings.APPEND_SLASH:
# Try removing the trailing slash.
try:
r = Redirect.objects.get(site__id__exact=settings.SITE_ID,
r = Redirect.objects.get(site__id__exact=current_site.id,
old_path=path[:path.rfind('/')]+path[path.rfind('/')+1:])
except Redirect.DoesNotExist:
pass

2
django/views/decorators/cache.py
View File

@ -12,7 +12,7 @@ def cache_page(*args, **kwargs):
The cache is keyed by the URL and some data from the headers.
Additionally there is the key prefix that is used to distinguish different
cache areas in a multi-site setup. You could use the
sites.get_current().domain, for example, as that is unique across a Django
sites.get_current_site().domain, for example, as that is unique across a Django
project.
Additionally, all headers from the response's Vary header will be taken

53
docs/ref/contrib/sites.txt
View File

@ -80,11 +80,11 @@ This accomplishes several things quite nicely:
The view code that displays a given story just checks to make sure the
requested story is on the current site. It looks something like this::
from django.conf import settings
from django.contrib.sites.models import get_current_site
def article_detail(request, article_id):
try:
a = Article.objects.get(id=article_id, sites__id__exact=settings.SITE_ID)
a = Article.objects.get(id=article_id, sites__id__exact=get_current_site(request).id)
except Article.DoesNotExist:
raise Http404
# ...
@ -131,49 +131,36 @@ For example::
# Do something else.
Of course, it's ugly to hard-code the site IDs like that. This sort of
hard-coding is best for hackish fixes that you need done quickly. A slightly
hard-coding is best for hackish fixes that you need done quickly. The
cleaner way of accomplishing the same thing is to check the current site's
domain::
from django.conf import settings
from django.contrib.sites.models import Site
from django.contrib.sites.models import get_current_site
def my_view(request):
current_site = Site.objects.get(id=settings.SITE_ID)
current_site = get_current_site(request)
if current_site.domain == 'foo.com':
# Do something
else:
# Do something else.
The idiom of retrieving the :class:`~django.contrib.sites.models.Site` object
for the value of :setting:`settings.SITE_ID <SITE_ID>` is quite common, so
the :class:`~django.contrib.sites.models.Site` model's manager has a
``get_current()`` method. This example is equivalent to the previous one::
This has also the advantage of checking if the sites framework is installed, and
return a :class:`RequestSite` instance if it is not.
If you don't have access to the request object, you can use the
``get_current()`` method of the :class:`~django.contrib.sites.models.Site`
model's manager. You should then ensure that your settings file does contain
the :setting:`SITE_ID` setting. This example is equivalent to the previous one::
from django.contrib.sites.models import Site
def my_view(request):
def my_function_without_request():
current_site = Site.objects.get_current()
if current_site.domain == 'foo.com':
# Do something
else:
# Do something else.
For code which relies on getting the current domain but cannot be certain
that the sites framework will be installed for any given project, there is a
utility function :func:`~django.contrib.sites.models.get_current_site` that
takes a request object as an argument and returns either a Site instance (if
the sites framework is installed) or a RequestSite instance (if it is not).
This allows loose coupling with the sites framework and provides a usable
fallback for cases where it is not installed.
.. function:: get_current_site(request)
Checks if contrib.sites is installed and returns either the current
:class:`~django.contrib.sites.models.Site` object or a
:class:`~django.contrib.sites.models.RequestSite` object based on
the request.
Getting the current domain for display
--------------------------------------
@ -192,14 +179,14 @@ current site's :attr:`~django.contrib.sites.models.Site.name` and
Here's an example of what the form-handling view looks like::
from django.contrib.sites.models import Site
from django.contrib.sites.models import get_current_site
from django.core.mail import send_mail
def register_for_newsletter(request):
# Check form values, etc., and subscribe the user.
# ...
current_site = Site.objects.get_current()
current_site = get_current_site(request)
send_mail('Thanks for subscribing to %s alerts' % current_site.name,
'Thanks for your subscription. We appreciate it.\n\n-The %s team.' % current_site.name,
'editor@%s' % current_site.domain,
@ -370,19 +357,19 @@ Here's how Django uses the sites framework:
* In the :mod:`redirects framework <django.contrib.redirects>`, each
redirect object is associated with a particular site. When Django searches
for a redirect, it takes into account the current :setting:`SITE_ID`.
for a redirect, it takes into account the current site.
* In the comments framework, each comment is associated with a particular
site. When a comment is posted, its
:class:`~django.contrib.sites.models.Site` is set to the current
:setting:`SITE_ID`, and when comments are listed via the appropriate
template tag, only the comments for the current site are displayed.
:class:`~django.contrib.sites.models.Site` is set to the current site,
and when comments are listed via the appropriate template tag, only the
comments for the current site are displayed.
* In the :mod:`flatpages framework <django.contrib.flatpages>`, each
flatpage is associated with a particular site. When a flatpage is created,
you specify its :class:`~django.contrib.sites.models.Site`, and the
:class:`~django.contrib.flatpages.middleware.FlatpageFallbackMiddleware`
checks the current :setting:`SITE_ID` in retrieving flatpages to display.
checks the current site in retrieving flatpages to display.
* In the :mod:`syndication framework <django.contrib.syndication>`, the
templates for ``title`` and ``description`` automatically have access to a