def __new__(metatype, name, bases, namespace):
secondary = None
for base in reversed(bases):
metaclass = getattr(base, "__metaclass__", None)
if metaclass and metaclass is not metatype:
if not secondary:
secondary = metaclass
elif metaclass is not secondary:
raise SpireError("cannot reconcile more then two metaclass bases")
unit = None
if secondary:
metatype = type("metaclass", (metatype, secondary), {"__secondary_metaclass__": secondary})
unit = secondary.__new__(metatype, name, bases, namespace)
unit.__metaclass__ = metatype
else:
for base in reversed(bases):
candidate = getattr(base, "__secondary_metaclass__", None)
if candidate:
if not secondary:
secondary = candidate
elif candidate is not secondary:
raise SpireError()
secondary = secondary or type
unit = secondary.__new__(metatype, name, bases, namespace)
unit.identity = identify_object(unit)
configuration = {}
dependencies = {}
for base in reversed(bases):
inherited_configuration = getattr(base, "configuration", None)
if isinstance(inherited_configuration, Configuration):
configuration.update(inherited_configuration.schema.structure)
inherited_dependencies = getattr(base, "dependencies", None)
if inherited_dependencies:
dependencies.update(inherited_dependencies)
declared_configuration = namespace.get("configuration")
if isinstance(declared_configuration, Configuration):
declared_configuration.schema.merge(configuration)
declared_configuration.bind(unit)
else:
if isinstance(declared_configuration, dict):
configuration.update(declared_configuration)
if configuration:
unit.configuration = Configuration(configuration).bind(unit)
unit.dependencies = {}
for attr, value in namespace.iteritems():
if isinstance(value, Dependency):
Registry.register_dependency(value)
unit.dependencies[attr] = value.bind(unit, attr)
for name, dependency in dependencies.iteritems():
if name not in unit.dependencies:
dependency = dependency.clone().bind(unit, name)
unit.dependencies[name] = dependency
setattr(unit, name, dependency)
Registry.register_unit(unit)
return unit
def register(cls, *args, **params):
Registry.register_dependency(cls(*args, **params))
def register(cls, *args, **params):
Registry.register_dependency(cls(*args, **params))
def __new__(metatype, name, bases, namespace):
secondary = None
for base in reversed(bases):
metaclass = getattr(base, '__metaclass__', None)
if metaclass and metaclass is not metatype:
if not secondary:
secondary = metaclass
elif metaclass is not secondary:
raise SpireError(
'cannot reconcile more then two metaclass bases')
unit = None
if secondary:
metatype = type('metaclass', (metatype, secondary),
{'__secondary_metaclass__': secondary})
unit = secondary.__new__(metatype, name, bases, namespace)
unit.__metaclass__ = metatype
else:
for base in reversed(bases):
candidate = getattr(base, '__secondary_metaclass__', None)
if candidate:
if not secondary:
secondary = candidate
elif candidate is not secondary:
raise SpireError()
secondary = secondary or type
unit = secondary.__new__(metatype, name, bases, namespace)
unit.identity = identify_object(unit)
configuration = {}
dependencies = {}
for base in reversed(bases):
inherited_configuration = getattr(base, 'configuration', None)
if isinstance(inherited_configuration, Configuration):
configuration.update(inherited_configuration.schema.structure)
inherited_dependencies = getattr(base, 'dependencies', None)
if inherited_dependencies:
dependencies.update(inherited_dependencies)
declared_configuration = namespace.get('configuration')
if isinstance(declared_configuration, Configuration):
declared_configuration.schema.merge(configuration)
declared_configuration.bind(unit)
else:
if isinstance(declared_configuration, dict):
configuration.update(declared_configuration)
if configuration:
unit.configuration = Configuration(configuration).bind(unit)
unit.dependencies = {}
for attr, value in namespace.iteritems():
if isinstance(value, Dependency):
Registry.register_dependency(value)
unit.dependencies[attr] = value.bind(unit, attr)
for name, dependency in dependencies.iteritems():
if name not in unit.dependencies:
dependency = dependency.clone().bind(unit, name)
unit.dependencies[name] = dependency
setattr(unit, name, dependency)
Registry.register_unit(unit)
return unit
