def regex_constructor(loader: yaml.SafeLoader, node: yaml.nodes.Node) -> re.Pattern: ''' Returns the regex pattern. ''' value = loader.construct_scalar(node) return re.compile(value)
def __call__(self, loader: SafeLoader, node: Node) -> str: """ Implement the tag constructor interface. :param loader: YAML loader :param node: YAML node to process :return: final value """ value = loader.construct_scalar(node) return Template(value).substitute(self._params)
def _stats_config_constructor( loader: yaml.SafeLoader, node: yaml.nodes.ScalarNode) -> StatsStorageConfig: """Returns a scalar constructor that instructs PyYAML how to deserialize a StatsStorageConfig instance from an "arg string" in the format of "<STORAGE_TYPE>:<RUNNING_ENVIRONMENT>:<TAG>:<PATH_OR_BUCKET>". Args: loader (yaml.SafeLoader): PyYAML's default SafeLoader instance node (yaml.nodes.ScalarNode): A YAML scalar node with a string value representing a StatsStorageConfing instance Returns: StatsStorageConfig: A StatsStorageConfig instance deserialized from its string scalar representation """ return StatsStorageConfig.from_arg_str(loader.construct_scalar(node))
def parent_constructor(loader: SafeLoader, node: Node): result = attrgetter(loader.construct_scalar(node))(_data) return result