Add DisableAnonymouseCachingMiddleware

from django.core.exceptions import ImproperlyConfigured

from django.core.urlresolvers import resolve

from django.utils import translation

from django.utils.cache import add_never_cache_headers

#from opds_catalog import settings

from constance import config

            request.LANG = config.SOPDS_LANGUAGE

            translation.activate(request.LANG)

            request.LANGUAGE_CODE = request.LANG

class DisableAnonymouseCachingMiddleware:

    def process_response(self, request, response):

        if not request.user.is_authenticated():

            add_never_cache_headers(response)

        return response

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    'django.contrib.messages.middleware.MessageMiddleware',

    'django.middleware.clickjacking.XFrameOptionsMiddleware',

    'django.middleware.cache.CacheMiddleware',

    'opds_catalog.middleware.DisableAnonymouseCachingMiddleware',

]

ROOT_URLCONF = 'sopds.urls'