old_contents: from django.conf import settings
  from django.contrib.auth import login, REDIRECT_FIELD_NAME
  from django.contrib.auth.decorators import login_required
  from django.views.decorators.csrf import csrf_exempt, csrf_protect
  from django.views.decorators.http import require_POST
  
  from social.utils import setting_name
  from social.actions import do_auth, do_complete, do_disconnect
  from social.apps.django_app.utils import psa
  
  
  NAMESPACE = getattr(settings, setting_name('URL_NAMESPACE'), None) or 'social'
  
  
  @psa('{0}:complete'.format(NAMESPACE))
  def auth(request, backend):
      return do_auth(request.backend, redirect_name=REDIRECT_FIELD_NAME)
  
  
  @csrf_exempt
  @psa('{0}:complete'.format(NAMESPACE))
  def complete(request, backend, *args, **kwargs):
      """Authentication complete view"""
      return do_complete(request.backend, _do_login, request.user,
                         redirect_name=REDIRECT_FIELD_NAME, *args, **kwargs)
  
  
  @login_required
  @psa()
  @require_POST
  @csrf_protect
  def disconnect(request, backend, association_id=None):
      """Disconnects given backend from current logged in user."""
      return do_disconnect(request.backend, request.user, association_id,
                           redirect_name=REDIRECT_FIELD_NAME)
  
  
  def _do_login(backend, user, social_user):
      user.backend = '{0}.{1}'.format(backend.__module__,
                                    backend.__class__.__name__)
      login(backend.strategy.request, user)
      if backend.setting('SESSION_EXPIRATION', False):
          # Set session expiration date if present and enabled
          # by setting. Use last social-auth instance for current
          # provider, users can associate several accounts with
          # a same provider.
          expiration = social_user.expiration_datetime()
          if expiration:
              try:
                  backend.strategy.request.session.set_expiry(
                      expiration.seconds + expiration.days * 86400
                  )
              except OverflowError:
                  # Handle django time zone overflow
                  backend.strategy.request.session.set_expiry(None)
  
new_contents: from django.conf import settings
  from django.contrib.auth import login, REDIRECT_FIELD_NAME
  from django.contrib.auth.decorators import login_required
  from django.views.decorators.csrf import csrf_exempt, csrf_protect
  from django.views.decorators.http import require_POST
  from django.views.decorators.cache import never_cache
  
  from social.utils import setting_name
  from social.actions import do_auth, do_complete, do_disconnect
  from social.apps.django_app.utils import psa
  
  
  NAMESPACE = getattr(settings, setting_name('URL_NAMESPACE'), None) or 'social'
  
  
  @never_cache
  @psa('{0}:complete'.format(NAMESPACE))
  def auth(request, backend):
      return do_auth(request.backend, redirect_name=REDIRECT_FIELD_NAME)
  
  
  @never_cache
  @csrf_exempt
  @psa('{0}:complete'.format(NAMESPACE))
  def complete(request, backend, *args, **kwargs):
      """Authentication complete view"""
      return do_complete(request.backend, _do_login, request.user,
                         redirect_name=REDIRECT_FIELD_NAME, *args, **kwargs)
  
  
  @never_cache
  @login_required
  @psa()
  @require_POST
  @csrf_protect
  def disconnect(request, backend, association_id=None):
      """Disconnects given backend from current logged in user."""
      return do_disconnect(request.backend, request.user, association_id,
                           redirect_name=REDIRECT_FIELD_NAME)
  
  
  def _do_login(backend, user, social_user):
      user.backend = '{0}.{1}'.format(backend.__module__,
                                    backend.__class__.__name__)
      login(backend.strategy.request, user)
      if backend.setting('SESSION_EXPIRATION', False):
          # Set session expiration date if present and enabled
          # by setting. Use last social-auth instance for current
          # provider, users can associate several accounts with
          # a same provider.
          expiration = social_user.expiration_datetime()
          if expiration:
              try:
                  backend.strategy.request.session.set_expiry(
                      expiration.seconds + expiration.days * 86400
                  )
              except OverflowError:
                  # Handle django time zone overflow
                  backend.strategy.request.session.set_expiry(None)
  
subject: Set no-cache on views