67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
from django.db import models
|
|
from django.utils.translation import ugettext_lazy as _
|
|
from django.http import get_host
|
|
|
|
SITE_CACHE = {}
|
|
|
|
class SiteManager(models.Manager):
|
|
def get_current(self):
|
|
"""
|
|
Returns the current ``Site`` based on the SITE_ID in the
|
|
project's settings. The ``Site`` object is cached the first
|
|
time it's retrieved from the database.
|
|
"""
|
|
from django.conf import settings
|
|
try:
|
|
sid = settings.SITE_ID
|
|
except AttributeError:
|
|
from django.core.exceptions import ImproperlyConfigured
|
|
raise ImproperlyConfigured("You're using the Django \"sites framework\" without having set the SITE_ID setting. Create a site in your database and set the SITE_ID setting to fix this error.")
|
|
try:
|
|
current_site = SITE_CACHE[sid]
|
|
except KeyError:
|
|
current_site = self.get(pk=sid)
|
|
SITE_CACHE[sid] = current_site
|
|
return current_site
|
|
|
|
def clear_cache(self):
|
|
"""Clears the ``Site`` object cache."""
|
|
global SITE_CACHE
|
|
SITE_CACHE = {}
|
|
|
|
class Site(models.Model):
|
|
domain = models.CharField(_('domain name'), max_length=100)
|
|
name = models.CharField(_('display name'), max_length=50)
|
|
objects = SiteManager()
|
|
class Meta:
|
|
db_table = 'django_site'
|
|
verbose_name = _('site')
|
|
verbose_name_plural = _('sites')
|
|
ordering = ('domain',)
|
|
class Admin:
|
|
list_display = ('domain', 'name')
|
|
search_fields = ('domain', 'name')
|
|
|
|
def __unicode__(self):
|
|
return self.domain
|
|
|
|
class RequestSite(object):
|
|
"""
|
|
A class that shares the primary interface of Site (i.e., it has
|
|
``domain`` and ``name`` attributes) but gets its data from a Django
|
|
HttpRequest object rather than from a database.
|
|
|
|
The save() and delete() methods raise NotImplementedError.
|
|
"""
|
|
def __init__(self, request):
|
|
self.domain = self.name = get_host(request)
|
|
|
|
def __unicode__(self):
|
|
return self.domain
|
|
|
|
def save(self):
|
|
raise NotImplementedError('RequestSite cannot be saved.')
|
|
|
|
def delete(self):
|
|
raise NotImplementedError('RequestSite cannot be deleted.')
|