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from django.core.exceptions import PermissionDenied
from postgresqleu.util.middleware import RedirectException
from django.conf import settings
import urllib.parse
def authenticate_backend_group(request, groupname):
if not request.user.is_authenticated:
raise RedirectException("{0}?{1}".format(settings.LOGIN_URL, urllib.parse.urlencode({'next': request.build_absolute_uri()})))
if request.user.is_superuser:
return
if request.user.groups.filter(name=groupname).exists():
return
raise PermissionDenied("Access denied")
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