def DocFileTest(path, module_relative=True, package=None,

                globs=None, parser=DocTestParser(), **options):

    if globs is None:

        globs = {}

    if package and not module_relative:

        raise ValueError("Package may only be specified for module-"

                         "relative paths.")

    # Relativize the path.

    if module_relative:

        package = _normalize_module(package)

        path = _module_relative_path(package, path)

    # Find the file and read it.

    name = os.path.basename(path)

    doc = open(path).read()

    # Convert it to a test, and wrap it in a DocFileCase.

    test = parser.get_doctest(doc, globs, name, path, 0)

    return DocFileCase(test, **options)