Try calling config.commit() after load_zcml().
- C
On Thu, 2011-02-17 at 20:22 -0800, Iain Duncan wrote:
> Hey folks, not sure where this belongs, but it seems to be a fairly
> under-the-hood question, so I'll try here first.
>
> I have some utilities that get registered in various packages in zcml.
> The packages are included from the main apps configure.zml file with
>
> <include package="xornot.model" />
>
> and in that packages configure.zcml file I have:
>
> <utility provides="xornot.model.interfaces.IResourceMappers"
> component="xornot.model.mappers.model_mappers" name="model_mappers"/>
>
> The configure.zcml from xornot.model *is* definitely being parsed,
> putting garbage in there stops app start up. Here's what I can figure
> out, I have another a factory that looks up that utility from the
> registry. In my app.py file where I set up the registry using the
> Configurator object, I have the following code, *after* all
> configuration is done:
>
> # instantiate ModelFactory, does all the SQLA startup housekeeping
> model_factory = ModelFactory(registry=registry, **settings)
> # register model factory as generic adapter of request to provide
> model
> registry.registerAdapter(model_factory, (IRequest,), Interface,
> 'model')
>
> Now here's what's weird. The ModelFactory does not find that utility.
> Looking at ._registered_utilities of the registry during ModelFactory
> init shows no registration of my model mapper utility. But when I drop
> into the debugger from the root factory, I can find that utility in
> the registry. I want to set up the ModelFactory once and only once on
> start up ( it makes SQLA mappers, which I believe are shared between
> threads ).
>
> I can't figure out for the life of me why the utilities aren't in
> there, it must be some innards thing I don't grok. I thought all
> included zcml packages were loaded in during the config setup code.
> Any help much appreciated. I will include my app code for ref:
>
> thanks
> iain
>
> def app(global_config, **settings):
> "return a wsgi app with a xornot ModelFactory in the registry"
>
> from xornot.model.interfaces import IAbstractModel
> from xornot.model.factories import ModelFactory
>
> # allow ini file's to set the app package and configure.zcml file
> app_package = settings.get('app_package', None)
> zcml_file = settings.get('configure_zcml', 'configure.zcml')
>
> # we are using the zope global site manager
> registry = getGlobalSiteManager()
>
> config = Configurator( registry=registry )
> config.include('pyramid_zcml')
> config.setup_registry(settings=settings, root_factory=DefaultRoot,
> request_factory=Request )
>
> if app_package:
> config.load_zcml("%s:%s" % (app_package, zcml_file) )
> else:
> # load from current package
> config.load_zcml(zcml_file)
>
>
> # instantiate ModelFactory, does all the SQLA startup
> housekeeping
> # XXX: this guy is not finding utilities registered in included
> packages!
> model_factory = ModelFactory(registry=registry, **settings)
> # register model factory as generic adapter of request to provide
> model
> registry.registerAdapter(model_factory, (IRequest,), Interface,
> 'model')
>
> # get the base app and return it
> app = config.make_wsgi_app()
>
> return app
>
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