Remove memcache setup from interactive.py script
Memcache integration with remote_api has been added in the latest
AppEngine release, so we no longer have to use the stub.
from django import http
from django.contrib.contenttypes.models import ContentType
from django.contrib.sites.models import Site
from django.core.exceptions import ObjectDoesNotExist
def shortcut(request, content_type_id, object_id):
"Redirect to an object's page based on a content-type ID and an object ID."
# Look up the object, making sure it's got a get_absolute_url() function.
try:
content_type = ContentType.objects.get(pk=content_type_id)
obj = content_type.get_object_for_this_type(pk=object_id)
except ObjectDoesNotExist:
raise http.Http404("Content type %s object %s doesn't exist" % (content_type_id, object_id))
try:
absurl = obj.get_absolute_url()
except AttributeError:
raise http.Http404("%s objects don't have get_absolute_url() methods" % content_type.name)
# Try to figure out the object's domain, so we can do a cross-site redirect
# if necessary.
# If the object actually defines a domain, we're done.
if absurl.startswith('http://') or absurl.startswith('https://'):
return http.HttpResponseRedirect(absurl)
# Otherwise, we need to introspect the object's relationships for a
# relation to the Site object
object_domain = None
opts = obj._meta
# First, look for an many-to-many relationship to Site.
for field in opts.many_to_many:
if field.rel.to is Site:
try:
# Caveat: In the case of multiple related Sites, this just
# selects the *first* one, which is arbitrary.
object_domain = getattr(obj, field.name).all()[0].domain
except IndexError:
pass
if object_domain is not None:
break
# Next, look for a many-to-one relationship to Site.
if object_domain is None:
for field in obj._meta.fields:
if field.rel and field.rel.to is Site:
try:
object_domain = getattr(obj, field.name).domain
except Site.DoesNotExist:
pass
if object_domain is not None:
break
# Fall back to the current site (if possible).
if object_domain is None:
try:
object_domain = Site.objects.get_current().domain
except Site.DoesNotExist:
pass
# If all that malarkey found an object domain, use it. Otherwise, fall back
# to whatever get_absolute_url() returned.
if object_domain is not None:
protocol = request.is_secure() and 'https' or 'http'
return http.HttpResponseRedirect('%s://%s%s' % (protocol, object_domain, absurl))
else:
return http.HttpResponseRedirect(absurl)