Fix django 1.7 incompatibilities: The role_required() decorator isn’t signature-preserving — which now breaks reverse().

 - Legacy-Id: 8832

Author: levkowetz

ietf/ietfauth/utils.py

@@ -1,10 +1,13 @@
 # various authentication and authorization utilities
 
+from functools import wraps
+
 from django.utils.http import urlquote
 from django.conf import settings
 from django.db.models import Q
 from django.http import HttpResponseRedirect, HttpResponseForbidden
 from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.utils.decorators import available_attrs
 
 from ietf.group.models import Role
 from ietf.person.models import Person
@@ -78,6 +81,7 @@ def passes_test_decorator(test_func, message):
     error. The test function should be on the form fn(user) ->
     true/false."""
     def decorate(view_func):
+        @wraps(view_func, assigned=available_attrs(view_func))
         def inner(request, *args, **kwargs):
             if not request.user.is_authenticated():
                 return HttpResponseRedirect('%s?%s=%s' % (settings.LOGIN_URL, REDIRECT_FIELD_NAME, urlquote(request.get_full_path())))
@@ -88,6 +92,7 @@ def inner(request, *args, **kwargs):
         return inner
     return decorate
 
+
 def role_required(*role_names):
     """View decorator for checking that the user is logged in and
     has one of the listed roles."""