Class _NamedFileLock

tests/test_subclass_options.py:333–342

class _NamedFileLock(BaseFileLock):
    def __init__(self, lock_file: str, *, marker: int = 0) -> None:
        super().__init__(lock_file)
        self.marker = marker

    def _acquire(self) -> None:
        raise NotImplementedError

    def _release(self) -> None:
        raise NotImplementedError


class _NarrowAsyncFileLock(BaseAsyncFileLock):