core/homeassistant/util/yaml/objects.py

27 lines
577 B
Python

"""Custom yaml object types."""
from __future__ import annotations
from dataclasses import dataclass
import yaml
class NodeListClass(list):
"""Wrapper class to be able to add attributes on a list."""
class NodeStrClass(str):
"""Wrapper class to be able to add attributes on a string."""
@dataclass(frozen=True)
class Input:
"""Input that should be substituted."""
name: str
@classmethod
def from_node(cls, loader: yaml.Loader, node: yaml.nodes.Node) -> Input:
"""Create a new placeholder from a node."""
return cls(node.value)