if you @expose something without specifying an engine, it is considered to
be a template path for the default renderer.
so if you do @expose('protobuf') what you are actually doing is
@expose('genshi:protobuf') which leads to the TemplateNotFound error as
Genshi is unable to load a "protobuf.html" file.
What you are looking for is @expose('protobuf:') which exposes the engine
without a template (as your protobuf engine doesn't have any template).
On Wed, Mar 12, 2014 at 4:24 PM, Atra Azami <[email protected]> wrote:
> I have a strange problem with trying to expose a custom renderer (named
> 'protobuf').
>
> In my root controller (controllers/root.py) just exposing the 'protobuf'
> renderer works as intended. However, as soon as I try to expose it in any
> other controller, I get an error: TemplateNotFound: Template "protobuf"
> not found.
>
> I've tried commenting out *everything* in the root controller, except for
> the class definition and a method which exposes the protobuf renderer, and
> I tried doing the same thing in another controller (commented out
> everything and exposed 1 method) - and I still get the error, so the error
> shouldn't be due to any import errors or such on my side at least.
>
> Does anyone have a clue as to what could be causing this? I'm running TG
> 2.2.2.
>
> This is an excerpt of what my app_cfg.py looks like:
>
> from coreapi.config.custom_extensions import render_pbuf
>>
>
>
> def setup_protobuf_renderer():
>> base_config.render_functions.protobuf = render_pbuf
>>
>
>
> base_config.setup_protobuf_renderer = setup_protobuf_renderer
>> base_config.renderers.append('protobuf')
>
>
>
>
> And this is how my controllers look like (both the root, and the other
> controllers I've tested with after removing everything else):
>
> from tg import expose
>
> from coreapi.controllers import CoreAPIBaseController
>
>
>
> class RootController(CoreAPIBaseController):
>> @expose('protobuf', content_type='application/x-protobuf')
>> def test(self):
>> # does stuff
>>
>
> CoreAPIBaseController basically just wraps the normal TG BaseController
> class so it doesn't do anything other than adding a method that all
> controller should have access to.
>
>
> BR,
> Atra
>
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