def __init__(self, allowed_values):
if (not isinstance(allowed_values, collections.Sequence) or
isinstance(allowed_values, six.string_types)):
msg = _('AllowedValues must be a list or a string')
raise exception.InvalidSchemaError(message=msg)
self.allowed = tuple(allowed_values)
def __init__(self,
description=None,
default=None,
required=False,
schema=None,
updatable=False,
readonly=False,
constraints=None):
if schema is not None:
if type(self) not in (List, Map):
msg = _('Schema valid only for List or Map, not '
'"%s"') % self[self.TYPE]
raise exception.InvalidSchemaError(message=msg)
if self[self.TYPE] == self.LIST:
self.schema = AnyIndexDict(schema)
else:
self.schema = schema
self.description = description
self.default = default
self.required = required
self.updatable = updatable
self.constraints = constraints or []
self.readonly = readonly
self._len = None
def _validate_default(self, context):
if self.default is None:
return
try:
self.validate(self.default, context)
except (ValueError, TypeError) as exc:
raise exception.InvalidSchemaError(
message=_('Invalid default %(default)s (%(exc)s)') %
dict(default=self.default, exc=exc))