project_name/settings.d/40-context.py

   1 TEMPLATE_CONTEXT_PROCESSORS = tuple(x for x in (
   2     "django.contrib.auth.context_processors.auth"
   3             if "django.contrib.auth" in INSTALLED_APPS else None,
   4     "django.core.context_processors.debug",
   5     "django.core.context_processors.i18n",
   6     "django.core.context_processors.media",
   7     "django.core.context_processors.static",
   8     "django.core.context_processors.tz",
   9     "django.contrib.messages.context_processors.messages"
  10             if 'django.contrib.messages' in INSTALLED_APPS else None,
  11     "django.core.context_processors.request"
  12 ) if x is not None)