89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
from django.core.exceptions import Http404, ObjectDoesNotExist
|
|
from django.core.template import Context, loader
|
|
from django.models.core import sites, contenttypes
|
|
from django.utils import httpwrappers
|
|
|
|
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 = contenttypes.get_object(pk=content_type_id)
|
|
obj = content_type.get_object_for_this_type(pk=object_id)
|
|
except ObjectDoesNotExist:
|
|
raise Http404, "Content type %s object %s doesn't exist" % (content_type_id, object_id)
|
|
try:
|
|
absurl = obj.get_absolute_url()
|
|
except AttributeError:
|
|
raise 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://'):
|
|
return httpwrappers.HttpResponseRedirect(absurl)
|
|
|
|
object_domain = None
|
|
|
|
# Next, look for an many-to-many relationship to sites
|
|
if hasattr(obj, 'get_site_list'):
|
|
site_list = obj.get_site_list()
|
|
if site_list:
|
|
object_domain = site_list[0].domain
|
|
|
|
# Next, look for a many-to-one relationship to sites
|
|
elif hasattr(obj, 'get_site'):
|
|
try:
|
|
object_domain = obj.get_site().domain
|
|
except sites.SiteDoesNotExist:
|
|
pass
|
|
|
|
# Then, fall back to the current site (if possible)
|
|
else:
|
|
try:
|
|
object_domain = sites.get_current().domain
|
|
except sites.SiteDoesNotExist:
|
|
# Finally, give up and use a URL without the domain name
|
|
return httpwrappers.HttpResponseRedirect(obj.get_absolute_url())
|
|
return httpwrappers.HttpResponseRedirect('http://%s%s' % (object_domain, obj.get_absolute_url()))
|
|
|
|
def page_not_found(request):
|
|
"""
|
|
Default 404 handler, which looks for the requested URL in the redirects
|
|
table, redirects if found, and displays 404 page if not redirected.
|
|
|
|
Templates: `404`
|
|
Context: None
|
|
"""
|
|
from django.models.core import redirects
|
|
from django.conf.settings import APPEND_SLASH, SITE_ID
|
|
path = request.get_full_path()
|
|
try:
|
|
r = redirects.get_object(site__id__exact=SITE_ID, old_path__exact=path)
|
|
except redirects.RedirectDoesNotExist:
|
|
r = None
|
|
if r is None and APPEND_SLASH:
|
|
# Try removing the trailing slash.
|
|
try:
|
|
r = redirects.get_object(site__id__exact=SITE_ID, old_path__exact=path[:path.rfind('/')]+path[path.rfind('/')+1:])
|
|
except redirects.RedirectDoesNotExist:
|
|
pass
|
|
if r is not None:
|
|
if r == '':
|
|
return httpwrappers.HttpResponseGone()
|
|
return httpwrappers.HttpResponseRedirect(r.new_path)
|
|
t = loader.get_template('404')
|
|
c = Context()
|
|
return httpwrappers.HttpResponseNotFound(t.render(c))
|
|
|
|
def server_error(request):
|
|
"""
|
|
500 Error handler
|
|
|
|
Templates: `500`
|
|
Context: None
|
|
"""
|
|
t = loader.get_template('500')
|
|
c = Context()
|
|
return httpwrappers.HttpResponseServerError(t.render(c))
|