Support Django 4.1, drop 1.11.

[django-cas-provider.git] / cas_provider / views.py

diff --git a/cas_provider/views.py b/cas_provider/views.py
index 76bcbb2..a8e166c 100644 (file)
--- a/cas_provider/views.py
+++ b/cas_provider/views.py
@@ -1,19 +1,11 @@
-from __future__ import unicode_literals
-
 import logging
 logger = logging.getLogger('cas_provider.views')
 
-try:
-    from urllib.error import HTTPError, URLError
-    from urllib.parse import parse_qsl, urlencode, urlparse, urlsplit, urlunsplit
-    from urllib.request import urlopen
-except ImportError:
-    from urllib import urlencode
-    from urllib2 import HTTPError, URLError, urlopen
-    from urlparse import parse_qsl, urlparse, urlsplit, urlunsplit
+from urllib.error import HTTPError, URLError
+from urllib.parse import parse_qsl, urlencode, urlparse, urlsplit, urlunsplit
+from urllib.request import urlopen
 from functools import wraps
 
-from django.utils.decorators import available_attrs
 from django.views.decorators.debug import sensitive_post_parameters
 from django.views.decorators.cache import cache_control
 from django.utils.cache import patch_cache_control
@@ -22,13 +14,11 @@ from django.views.decorators.csrf import csrf_protect
 from django.http import HttpResponse, HttpResponseRedirect
 from django.conf import settings
 from django.contrib.auth import login as auth_login, logout as auth_logout
-from django.core.urlresolvers import get_callable
-from django.shortcuts import render_to_response
-from django.utils.translation import ugettext as _
+
+from django.shortcuts import render
+from django.utils.translation import gettext as _
 from django.template import RequestContext
 from django.contrib.auth import authenticate
-from django.core.urlresolvers import reverse
-from django.utils.translation import ugettext as _
 
 from lxml import etree
 from cas_provider.attribute_formatters import NSMAP, CAS
@@ -39,6 +29,8 @@ from cas_provider.forms import LoginForm, MergeLoginForm
 
 from . import signals
 
+from django.urls import get_callable, reverse
+
 __all__ = ['login', 'validate', 'logout', 'service_validate']
 
 INVALID_TICKET = 'INVALID_TICKET'
@@ -65,7 +57,7 @@ def never_cache(view_func):
     Decorator that adds headers to a response so that it will
     never be cached.
     """
-    @wraps(view_func, assigned=available_attrs(view_func))
+    @wraps(view_func)
     def _wrapped_view_func(request, *args, **kwargs):
         response = view_func(request, *args, **kwargs)
         patch_cache_control(response, no_cache=True,
@@ -143,7 +135,7 @@ def login(request, template_name='cas/login.html',
         else:
             form = LoginForm(initial={'service': service})
 
-    if user is not None and user.is_authenticated():
+    if user is not None and user.is_authenticated:
         # We have an authenticated user.
         if not user.is_active:
             errors.append(_('This account is disabled. Please contact us if you feel it should be enabled again.'))
@@ -166,10 +158,10 @@ def login(request, template_name='cas/login.html',
                 return HttpResponseRedirect(success_redirect)
             else:
                 if request.GET.get('warn', False):
-                    return render_to_response(warn_template_name, {
+                    return render(request, warn_template_name, {
                         'service': service,
                         'warn': False
-                    }, context_instance=RequestContext(request))
+                    })
 
                 # Create a service ticket and redirect to the service.
                 ticket = ServiceTicket.objects.create(service=service, user=user)
@@ -182,7 +174,7 @@ def login(request, template_name='cas/login.html',
                 return HttpResponseRedirect(url)
 
     logging.debug('Rendering response on %s, merge is %s', template_name, merge)
-    return render_to_response(template_name, {'form': form, 'errors': errors}, context_instance=RequestContext(request))
+    return render(request, template_name, {'form': form, 'errors': errors})
 
 
 @never_cache
@@ -220,14 +212,13 @@ def validate(request):
 def logout(request, template_name='cas/logout.html',
            auto_redirect=settings.CAS_AUTO_REDIRECT_AFTER_LOGOUT):
     url = request.GET.get('url', None)
-    if request.user.is_authenticated():
+    if request.user.is_authenticated:
         for ticket in ServiceTicket.objects.filter(user=request.user):
             ticket.delete()
         auth_logout(request)
         if url and auto_redirect:
             return HttpResponseRedirect(url)
-    return render_to_response(template_name, {'url': url},
-        context_instance=RequestContext(request))
+    return render(request, template_name, {'url': url})
 
 
 @never_cache