auf_savoirs_en_partage/chercheurs/middleware.py

   1 from chercheurs.models import Personne, Chercheur
   2
   3 class LazyChercheur(object):
   4
   5     def __get__(self, request, obj_type=None):
   6         if not hasattr(request, '_cached_chercheur'):
   7             request._cached_chercheur = None
   8             if request.user.is_authenticated():
   9                 try:
  10                     request._cached_chercheur = Chercheur.objects.get(actif=True, courriel=request.user.email)
  11                 except (Personne.DoesNotExist, Chercheur.DoesNotExist):
  12                     pass
  13         return request._cached_chercheur
  14
  15 class ChercheurMiddleware(object):
  16
  17     def process_request(self, request):
  18         request.__class__.chercheur = LazyChercheur()