resource_type.py 文件源码

def __init__(self, type, name, required, options=None):
        if (len(name) > 63 or name in INVALID_NAMES
                or not VALID_CHARS.match(name)):
            raise InvalidResourceAttributeName(name)

        self.name = name
        self.required = required
        self.fill = None

        # options is set only when we update a resource type
        if options is not None:
            fill = options.get("fill")
            if fill is None and required:
                raise InvalidResourceAttributeOption(
                    name, "fill", "must not be empty if required=True")
            elif fill is not None:
                # Ensure fill have the correct attribute type
                try:
                    self.fill = voluptuous.Schema(self.schema_ext)(fill)
                except voluptuous.Error as e:
                    raise InvalidResourceAttributeOption(name, "fill", e)