def __init__(self, element, modifier=None, modify_default=False):
self._element = element
self._modifier = modifier
self._modify_default = modify_default
AlternativeBase.__init__(self,
children=(element, ),
name=element.name,
default=element.default)
def __init__(self, choices, name = None, extras = None, default = None):
# Argument type checking.
assert isinstance(name, basestring) or name is None
assert isinstance(choices, dict)
for k, v in choices.iteritems():
assert isinstance(k, basestring)
# Construct children from the given choice keys and values.
self._choices = choices
self._extras = extras
children = []
for k, v in choices.iteritems():
if callable(v):
child = Compound(spec = k, value_func = v, extras = extras)
else:
child = Compound(spec = k, value = v, extras = extras)
children.append(child)
# Initialize super class.
Alternative.__init__(self, children = children,
name = name, default = default)
