django 3.2: use standard functools.wrap capabilities (#64430)

docbow_project/docbow/decorators.py

@@ -1,11 +1,8 @@
-try:
-    from functools import wraps
-except ImportError:
-    from django.utils.functional import wraps  # Python 2.4 fallback.
+from functools import wraps
+
 from django.shortcuts import redirect
 from django.contrib import messages
 from django.utils.translation import ugettext as _
-from django.utils.decorators import available_attrs
 from django.utils.cache import patch_cache_control
 from django.views.decorators.cache import never_cache as old_never_cache
 
@@ -15,7 +12,7 @@ def no_delegate(view_func):
     Forbid delegated account to use this view.
     """
 
-    @wraps(view_func, assigned=available_attrs(view_func))
+    @wraps(view_func)
     def f(request, *args, **kwargs):
         if hasattr(request.user, 'delegate'):
             messages.warning(request, _('Your delegation does not allow you to do this action'))
@@ -31,7 +28,7 @@ def as_delegate(view_func):
     given view.
     """
 
-    @wraps(view_func, assigned=available_attrs(view_func))
+    @wraps(view_func)
     def f(request, *args, **kwargs):
         if hasattr(request.user, 'delegate'):
             old_user = request.user
@@ -49,7 +46,7 @@ def never_cache(view_func):
     '''Block client caching in all browsers.'''
     view_func = old_never_cache(view_func)
 
-    @wraps(view_func, assigned=available_attrs(view_func))
+    @wraps(view_func)
     def f(request, *args, **kwargs):
         result = view_func(request, *args, **kwargs)
         patch_cache_control(result, no_cache=True)