def never_cache(view_func):
    def _wrapped_view_func(request, *args, **kwargs):
        response = view_func(request, *args, **kwargs)
        add_never_cache_headers(response)
        return response
    return wraps(view_func, assigned=available_attrs(view_func))(_wrapped_view_func)
Decorator that adds headers to a response so that it will
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.3/django/views/decorators/cache.py/never_cache