Python compat_create_exclusive примеры использования

Пример #1

def test_compat_create_exclusive(tmpdir: py.path.local) -> None:
    test_file = tmpdir.join("file.grib.idx")

    try:
        with messages.compat_create_exclusive(str(test_file)):
            raise RuntimeError("Test remove")
    except RuntimeError:
        pass

    with messages.compat_create_exclusive(str(test_file)) as file:
        file.write(b"Hi!")

    with pytest.raises(OSError):
        with messages.compat_create_exclusive(str(test_file)) as file:
            pass  # pragma: no cover

Пример #2

def test_compat_create_exclusive(tmpdir):
    test_file = tmpdir.join('file.grib.idx')

    try:
        with messages.compat_create_exclusive(str(test_file)):
            raise RuntimeError("Test remove")
    except RuntimeError:
        pass

    with messages.compat_create_exclusive(str(test_file)) as file:
        file.write(b'Hi!')

    with pytest.raises(OSError):
        with messages.compat_create_exclusive(str(test_file)) as file:
            file.write(b'Hi!')