def str_to_int()

in scripts/ValidateParameters/netaddr/strategy/eui64.py [0:0]

• 22 lines of code
• 9 McCabe index (conditional complexity)

def str_to_int(addr):
    """
    :param addr: An IEEE EUI-64 indentifier in string form.

    :return: An unsigned integer that is equivalent to value represented
        by EUI-64 string address formatted according to the dialect
    """
    words = []

    try:
        words = _get_match_result(addr, RE_EUI64_FORMATS)
        if not words:
            raise TypeError
    except TypeError:
        raise AddrFormatError('invalid IEEE EUI-64 identifier: %r!' % addr)

    if isinstance(words, tuple):
        pass
    else:
        words = (words,)

    if len(words) == 8:
        #   2 bytes x 8 (UNIX, Windows, EUI-48)
        int_val = int(''.join(['%.2x' % int(w, 16) for w in words]), 16)
    elif len(words) == 4:
        #   4 bytes x 4 (Cisco like)
        int_val = int(''.join(['%.4x' % int(w, 16) for w in words]), 16)
    elif len(words) == 1:
        #   16 bytes (bare, no delimiters)
        int_val = int('%016x' % int(words[0], 16), 16)
    else:
        raise AddrFormatError(
            'bad word count for EUI-64 identifier: %r!' % addr)

    return int_val