Function open_with_lockfile

httpie/utils.py:275–290

(file: Path, *args, **kwargs)

@contextmanager
def open_with_lockfile(file: Path, *args, **kwargs) -> Generator[IO[Any], None, None]:
    file_id = base64.b64encode(os.fsencode(file)).decode()
    target_file = Path(tempfile.gettempdir()) / file_id

    # Have an atomic-like touch here, so we'll tighten the possibility of
    # a race occurring between multiple processes accessing the same file.
    try:
        target_file.touch(exist_ok=False)
    except FileExistsError as exc:
        raise LockFileError("Can't modify a locked file.") from exc

    try:
        with open(file, *args, **kwargs) as stream:
            yield stream
    finally:
        target_file.unlink()


def is_version_greater(version_1: str, version_2: str) -> bool: