I'd suspect it's simply a matter of importing scope! I had that a while
back, too...
Try placing from tg import cache inside the __call__ method and see if it
works then!
Am Mittwoch, 31. Juli 2013 10:20:27 UTC+2 schrieb Rob:
>
> Using TG v2.2.2 I am trying to access the beaker cache from a custom
> middleware object but I'm getting an error:
> "TypeError: No object (name: cache) has been registered for this thread."
>
> As per the docs, I am using `wrap_app` in the construction of
> `make_base_app`
> Stripped down to its bare essentials, I have:
>
> from tg import cache
> from proj.config.app_cfg import base_config
> from proj.config.environment import load_environment
>
> class MyMiddleware(object):
> base_path = "/my_route"
>
> def __init__(self, app):
> self.app = app
>
> def __call__(self, environment, start_response):
> path = environment.get('PATH_INFO')
> if not path.startswith(self.basepath):
> return self.app(environment, start_response)
>
> # access cache here.
> # c = environment.get('beaker.cache')
> # rg = c.regions # this works
>
> # rg = cache.regions # should be available from the
> import but throws:
> # TypeError: No object (name: cache)
> registered in the thread
>
> status = '200 OK'
> response_headers = [('Content-type','text/plain')]
> start_response(status, response_headers)
> return ['Hello world!\n']
>
>
> def make_app(global_conf, full_stack=True, **app_conf):
> app = make_base_app(global_conf,
> full_stack=True,
> wrap_app=MyMiddleware,
> **app_conf
> )
>
> In the __call__() of the custom middleware I am able to access the cache,
> using:
> c = environment.get('beaker.cache')
>
> But my understanding from the docs is that I should be able to access this
> via the `from tg import cache` -- and I need to be able to access the cache
> from a separate function, called by the __call__(). In other words, the
> cache (in the stack) should be available to any controllers/methods post
> setup of the custom middleware.
>
> My understanding of the docs is that, having used `wrap_app` I should have
> access to the full stack (including the cache) --- but I am unable to
> access it...
>
> How am I able to access the cache? (Is my method above close?!)
>
> Many thanks,
> Rob
>
>
--
You received this message because you are subscribed to the Google Groups
"TurboGears" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/turbogears.
For more options, visit https://groups.google.com/groups/opt_out.
