def _get_roots(self, context: ILoadingContext) -> Iterator[Path]:
"""Return the configured root directories."""
if self._allow_relative:
current_location = context.current_location()
if current_location is not None:
file_path = Path(current_location)
parent = file_path.parent
if parent.is_dir():
yield parent
config = context.get_config(PathHandler.Config)
if config is not None:
for root in config.roots:
yield root
def _convert(self, context: ILoadingContext, value: str) -> Any:
path = Path(value)
if not path.is_absolute() and not path.exists():
location_str = context.current_location()
if location_str is not None:
location = Path(location_str)
parent = location.parent
path = parent / path
if self._must_exist and not path.exists():
context.error(ErrorCode.VALIDATION_ERROR, _("Cannot find path {}."), path)
return UNDEFINED
return path
def _load(self, context: ILoadingContext) -> None:
assert context.current_location() == location
def validate(cls, context: ILoadingContext) -> None:
"""Validate that context as correct current_node_path."""
nonlocal validate_called
validate_called = True
assert context.current_location() == str(file_path)
