baseserver.py 文件源码

def _parse_address(address):
    if isinstance(address, tuple):
        if not address[0] or ':' in address[0]:
            return _socket.AF_INET6, address
        return _socket.AF_INET, address

    if ((isinstance(address, string_types) and ':' not in address)
        or isinstance(address, integer_types)): # noqa (pep8 E129)
        # Just a port
        return _socket.AF_INET6, ('', int(address))

    if not isinstance(address, string_types):
        raise TypeError('Expected tuple or string, got %s' % type(address))

    host, port = address.rsplit(':', 1)
    family, host = _extract_family(host)
    if host == '*':
        host = ''
    return family, (host, int(port))