def execute(self, factory, config, provides, name, **kw):
specs = adaptedBy(factory)
context = grokcore.component.context.bind(get_default=lambda *args, **kwargs: None).get(factory)
validated_specs = []
if specs is None:
if context is not None:
validated_specs = [context]
else:
default = context is not None and context or Interface
for value in specs:
if value is None:
validated_specs.append(default)
elif ISpecification.providedBy(value) or isclass(value):
validated_specs.append(value)
else:
raise GrokError(u"Invalid adaption argument %r for %r" % (value, factory))
validated_specs = tuple(validated_specs)
config.action(
discriminator=("component", validated_specs, provides, name),
callable=getSite().register,
args=(factory, validated_specs, provides, name),
)
return True
def grok(self, name, module, module_info, config, **kw):
components = module_info.getAnnotation("zeam.components", [])
for factory, specs, options in components:
if set(options.keys()).difference(OPTIONS):
raise GrokError(u"There are unknown options for %s" % factory)
name = options.get("name", u"")
provides = options.get("provides", Interface)
validated_specs = []
for value in specs:
if value is None:
validated_specs.append(Interface)
elif ISpecification.providedBy(value) or isclass(value):
validated_specs.append(value)
else:
raise GrokError(u"Invalid adaption argument %r for %r" % (value, factory))
validated_specs = tuple(validated_specs)
config.action(
discriminator=("component", validated_specs, provides, name),
callable=getSite().register,
args=(factory, validated_specs, provides, name),
)
return len(components) != 0
