import os


def ellipsize(string: str, max_length: int, ellipsis="…") -> str:
    if len(string) <= max_length:
        return string
    if "." not in string:
        return string[:-len(ellipsis)] + ellipsis
    else:
        name, ext = os.path.splitext(string)
        name = name[:-len(ellipsis)] + ellipsis
        return ".".join([name, ext])