A bit late in on this one, sorry:
On 18/02/2011 23:15, Iain Duncan wrote:
> > Some of us *do* write apps that expect to be extended /
reconfigured via
> > the ZCA registry, but Pyramid itself doesn't mandate that (or even
> > document it all that well). If such an app uses the "global"
ZCA APIs,
Just to double check, you mean zope.component.getGlobalSiteManager, right?
I assume zope.component.getSiteManager is still fair game and will pick
up the correct segregated registry?
> safe. But people have their database connections and other things
> they'll have to put somewhere.
mortar_rdb wraps this up in a way that "felt" like the way BFG was using
the ZCA. I'm hoping it'll prove a good bridge for Pyramid too, as well
as gently encouraging (but in no way forcing!) people to think about
version control of their relational database schemas...
Should I say to put them all in the
> registry?
I would imagine this is the answer.
However, setting them up is something I'm curious about.
If I do:
def app(global_settings, **settings):
config = Configurator()
config.registry.registerUtility(...)
return config.make_wsgi_app()
...will that utility be available in app the threads that execute my
application?
If not, then what's the recommended way of achieving that?
Also, similar question, if I do:
from zope.component import getSiteManager
def app(global_settings, **settings):
config = Configurator()
getSiteManager().registerUtility(...)
return config.make_wsgi_app()
...will that utility be available in app the threads that execute my
application? Will it behave identically to
config.registry.registerUtility(...)?
I hope the answer is "yes", otherwise it means that libraries such as
mortar_rdb, that don't target any particular framework other than "the
component architecture" are in a bit of trouble.
I'm interested in recommendations here...
In my case, one possibility would be for mortar_rdb.registerSession to
take a registry and if none was supplied, use getSiteManager(). That
feels like a sledgehammer that will result in Pyramid users having to
write boilerplate code (boooo!).
However, even with that, on the consumption side, would
getSiteManager().getUtility(...) get the utility from Pyramid's thread
local registry, or would I need to egregiously pass in the registry to
mortar_rdb.getSession?
cheers,
Chris
--
Simplistix - Content Management, Batch Processing & Python Consulting
- http://www.simplistix.co.uk
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