parse.py 文件源码

def parse_fs_url(fs_url):
    """Parse a Filesystem URL and return a `ParseResult`.

    Arguments:
        fs_url (str): A filesystem URL.

    Returns:
        ~fs.opener.parse.ParseResult: a parse result instance.

    Raises:
        ~fs.errors.ParseError: if the FS URL is not valid.

    """
    match = _RE_FS_URL.match(fs_url)
    if match is None:
        raise ParseError('{!r} is not a fs2 url'.format(fs_url))

    fs_name, credentials, url1, url2, path = match.groups()
    if credentials:
        username, _, password = credentials.partition(':')
        username = unquote(username)
        password = unquote(password)
        url = url1
    else:
        username = None
        password = None
        url = url2
    url, has_qs, _params = url.partition('?')
    resource = unquote(url)
    if has_qs:
        params = parse_qs(_params, keep_blank_values=True)
        params = {k:v[0] for k, v in params.items()}
    else:
        params = {}
    return ParseResult(
        fs_name,
        username,
        password,
        resource,
        params,
        path
    )