'Parameters
path : str
path to the file or directory that should be formatted
url_prefix : str
prefix to be prepended to all files to form a working link [default:
result_html_prefix : str
text to append to beginning to link [default: \'\']
result_html_suffix : str
text to append at the end of link [default: \'<br>\']'

def __init__(self, path, url_prefix='', result_html_prefix='', result_html_suffix='<br>'):

    if isdir(path):
        raise ValueError(("Cannot    display    a    directory    using    FileLink.    Use    FileLinks    to    display    '%s'." % path))
    self.path = path
    self.url_prefix = url_prefix
    self.result_html_prefix = result_html_prefix
    self.result_html_suffix = result_html_suffix
