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Code Issues 25 Releases Wiki Activity

Fixed some bugs in django/contrib/sites/managers and added some error checking

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@2961 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-05-22 05:17:25 +00:00
parent ddd37b20f1
commit 4cb7a2753f
1 changed files with 20 additions and 5 deletions
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25
django/contrib/sites/managers.py
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@ -1,11 +1,26 @@
from django.db import models
from django.conf import settings
from django.db import models
from django.db.models.fields import FieldDoesNotExist
class CurrentSiteManager(models.Manager):
"Use this to limit objects to those associated with the current site."
def __init__(self, field_name='site')
super(SiteLimitManager, self).__init__()
self.__lookup = field_name + '__id__exact'
def __init__(self, field_name='site'):
super(CurrentSiteManager, self).__init__()
self.__field_name = field_name
def contribute_to_class(self, *args, **kwargs):
# This method is overridden purely to check for errors in
# self.field_name. We can't do this in __init__() because of
# how Managers are implemented -- self.model isn't available
# until after contribute_to_class() is called.
super(CurrentSiteManager, self).contribute_to_class(*args, **kwargs)
try:
self.model._meta.get_field(self.__field_name)
except FieldDoesNotExist:
raise ValueError, "%s couldn't find a field named %s in %s." % \
(self.__class__.__name__, self.__field_name, self.model._meta.object_name)
self.__lookup = self.__field_name + '__id__exact'
del self.__field_name
def get_query_set(self):
return super(SiteLimitManager, self).get_query_set().filter(self.__lookup=settings.SITE_ID)
return super(SiteLimitManager, self).get_query_set().filter(**{self.__lookup: settings.SITE_ID})