How set X-Accel-Expires in add_view, add_static_view

[Grigorii Eremeev]

Hello

I want use cache nginx and cache browser.

For managing cache nginx i use X-Accel-Expires.

For managing cache browser i use Cache-Control.

Cache-Control is simple, need set parameters http_cache in add_view and cache_max_age in add_static_view.

But how set X-Accel-Expires in same level?(as a parameter in add_view)

In my opinion such parameter does not exists or am I mistaken?

if so, how to pass this parameter to "tween"?

So I installed it there:

config.add_view(

        cache_view,

        route_name='cache_view',

        renderer='test_cache_nginx:templates/index.jinja2',

        http_cache=10,

        x_accel_expires=100,

    )

#tween:

def simple_tween_factory(handler, registry):

    def simple_tween(request):

        response = handler(request)

        #x_accel_expires = ... here i get parameter ... 

        if not x_accel_expires:

            x_accel_expires = registry.settings.get('cache.x_accel_expires', 0)

        response.headers.add('X-Accel-Expires', x_accel_expires)

        return response

    return simple_tween

[Michael Merickel]

Your setting to `add_view` is currently being dropped. It's not valid
to pass arbitrary things to `add_view`. A good way would be to mutate
the response via a decorator, adding the header in yourself. No need
for a tween.

def x_accel_expires(max_age):
def decorator(view):
def wrapper(context, request):
response = view(context, request)
response.headers.add('X-Accel-Expires', max_age)
return response
return wrapper
return decorator

config.add_view(
cache_view,
route_name='cache_view',
renderer='test_cache_nginx:templates/index.jinja2',
http_cache=10,

decorator=x_accel_expires(100)
)

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