def registerUtility(self,
component=None,
provided=None,
name=u'',
info=u'',
event=True,
factory=None):
if factory:
if component:
raise TypeError("Can't specify factory and component.")
component = factory()
if provided is None:
provided = _getUtilityProvided(component)
if name == u'':
name = _getName(component)
reg = self._utility_registrations.get((provided, name))
if reg is not None:
if reg[:2] == (component, info):
# already registered
return
self.unregisterUtility(reg[0], provided, name)
self._utility_registrations_cache.registerUtility(
provided, name, component, info, factory)
if event:
notify(
Registered(
UtilityRegistration(self, provided, name, component, info,
factory)))
def registerUtility(self, component=None, provided=None, name=_u(''),
info=_u(''), event=True, factory=None):
if factory:
if component:
raise TypeError("Can't specify factory and component.")
component = factory()
if provided is None:
provided = _getUtilityProvided(component)
reg = self._utility_registrations.get((provided, name))
if reg is not None:
if reg[:2] == (component, info):
# already registered
return
self.unregisterUtility(reg[0], provided, name)
subscribed = False
for ((p, _), data) in iter(self._utility_registrations.items()):
if p == provided and data[0] == component:
subscribed = True
break
self._utility_registrations[(provided, name)] = component, info, factory
self.utilities.register((), provided, name, component)
if not subscribed:
self.utilities.subscribe((), provided, component)
if event:
notify(Registered(
UtilityRegistration(self, provided, name, component, info,
factory)
))
def registerAdapter(self, factory, required=None, provided=None,
name=_u(''), info=_u(''), event=True):
if provided is None:
provided = _getAdapterProvided(factory)
required = _getAdapterRequired(factory, required)
self._adapter_registrations[(required, provided, name)
] = factory, info
self.adapters.register(required, provided, name, factory)
if event:
notify(Registered(
AdapterRegistration(self, required, provided, name,
factory, info)
))
def registerHandler(self,
factory,
required=None,
name=_u(''),
info=_u(''),
event=True):
if name:
raise TypeError("Named handlers are not yet supported")
required = _getAdapterRequired(factory, required)
self._handler_registrations.append((required, name, factory, info))
self.adapters.subscribe(required, None, factory)
if event:
notify(
Registered(
HandlerRegistration(self, required, name, factory, info)))
def registerSubscriptionAdapter(self,
factory, required=None, provided=None,
name=_u(''), info=_u(''),
event=True):
if name:
raise TypeError("Named subscribers are not yet supported")
if provided is None:
provided = _getAdapterProvided(factory)
required = _getAdapterRequired(factory, required)
self._subscription_registrations.append(
(required, provided, name, factory, info)
)
self.adapters.subscribe(required, provided, factory)
if event:
notify(Registered(
SubscriptionRegistration(self, required, provided, name,
factory, info)
))