def __setattr__(self, name, value):
if self.__locked_down and not hasattr(self, name):
# @fixme HACK if condition is related to too much magic. Fixme
# when the nodes are refecatored:
if name not in ('__factory__', '__node_id__'):
raise AttributeError("NodeDecorator's do not support dynamic"
" creation of attributes.")
CompositeNode.__setattr__(self, name, value)
return
def __setattr__(self, name, value):
if self.__locked_down and not hasattr(self, name):
# @fixme HACK if condition is related to too much magic. Fixme
# when the nodes are refecatored:
if name not in ('__factory__', '__node_id__'):
raise AttributeError("NodeDecorator's do not support dynamic"
" creation of attributes.")
CompositeNode.__setattr__(self, name, value)
return
def __init__(self):
CompositeNode.__setattr__(self, '_NodeDecorator__locked_down', False)
CompositeNode.__init__(self)
# HACK: Create default attributes before "locking down" this node's
# attributes.
CompositeNode.configure(self, {})
self.__locked_down = True
assert self._PREFIX is not None, (
"Concrete class must set _PREFIX class variable.")
assert self._PREFIX[-1] == '_', (
"_PREFIX class variable must end in an underbar (_).")
return
def __init__(self):
CompositeNode.__setattr__(self, '_NodeDecorator__locked_down', False)
CompositeNode.__init__(self)
# HACK: Create default attributes before "locking down" this node's
# attributes.
CompositeNode.configure(self, {})
self.__locked_down = True
assert self._PREFIX is not None, (
"Concrete class must set _PREFIX class variable."
)
assert self._PREFIX[-1] == '_', (
"_PREFIX class variable must end in an underbar (_)."
)
return
def factory():
return CompositeNode()