|
-
- from __future__ import annotations
-
- """
- You cannot subclass bool, and this is necessary for round-tripping anchored
- bool values (and also if you want to preserve the original way of writing)
-
- bool.__bases__ is type 'int', so that is what is used as the basis for ScalarBoolean as well.
-
- You can use these in an if statement, but not when testing equivalence
- """
-
- from ruamel.yaml.anchor import Anchor
-
- if False: # MYPY
- from typing import Text, Any, Dict, List # NOQA
-
- __all__ = ['ScalarBoolean']
-
-
- class ScalarBoolean(int):
- def __new__(cls: Any, *args: Any, **kw: Any) -> Any:
- anchor = kw.pop('anchor', None)
- b = int.__new__(cls, *args, **kw)
- if anchor is not None:
- b.yaml_set_anchor(anchor, always_dump=True)
- return b
-
- @property
- def anchor(self) -> Any:
- if not hasattr(self, Anchor.attrib):
- setattr(self, Anchor.attrib, Anchor())
- return getattr(self, Anchor.attrib)
-
- def yaml_anchor(self, any: bool = False) -> Any:
- if not hasattr(self, Anchor.attrib):
- return None
- if any or self.anchor.always_dump:
- return self.anchor
- return None
-
- def yaml_set_anchor(self, value: Any, always_dump: bool = False) -> None:
- self.anchor.value = value
- self.anchor.always_dump = always_dump
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