django1/django/views/defaults.py

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from django.core import template_loader
from django.core.exceptions import Http404, ObjectDoesNotExist
from django.core.extensions import DjangoContext as Context
from django.models.core import sites
from django.utils import httpwrappers
def shortcut(request, content_type_id, object_id):
from django.models.core import contenttypes
try:
content_type = contenttypes.get_object(id__exact=content_type_id)
obj = content_type.get_object_for_this_type(id__exact=object_id)
except ObjectDoesNotExist:
raise Http404, "Content type %s object %s doesn't exist" % (content_type_id, object_id)
if not hasattr(obj, 'get_absolute_url'):
raise Http404, "%s objects don't have get_absolute_url() methods" % content_type.name
object_domain = None
if hasattr(obj, 'get_site_list'):
site_list = obj.get_site_list()
if site_list:
object_domain = site_list[0].domain
elif hasattr(obj, 'get_site'):
try:
object_domain = obj.get_site().domain
except sites.SiteDoesNotExist:
pass
try:
object_domain = sites.get_current().domain
except sites.SiteDoesNotExist:
pass
if not object_domain:
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 = template_loader.get_template('404')
c = Context(request)
return httpwrappers.HttpResponseNotFound(t.render(c))
def server_error(request):
"""
500 Error handler
Templates: `500`
Context: None
"""
t = template_loader.get_template('500')
c = Context(request)
return httpwrappers.HttpResponseServerError(t.render(c))