tag_tool.py

TAG_ALPHABET = '0289PYLQGRJCUV'


def get_id(_tag):
    tag_chars = list(_tag.upper())
    result = 0
    for char in tag_chars:
        if not char in TAG_ALPHABET:
            continue
        
        result *= len(TAG_ALPHABET)
        result += TAG_ALPHABET.index(char)

    high_id = result % 256
    return (high_id, (result - high_id) >> 8)


def get_tag(high_id, low_id):
    _id = low_id * 256 + high_id
    
    _tag = ''
    while _id > 0:
        char_index = _id % len(TAG_ALPHABET)
        _tag = TAG_ALPHABET[char_index] + _tag
        
        _id -= char_index
        _id //= len(TAG_ALPHABET) 
    
    return _tag


if __name__ == '__main__':
    # tag = input('Enter the tag: ')
    # if tag[0] == '#':
    #     tag = tag[1:]
    
    tag = '2pp'
    print(get_id(tag))
    print(get_tag(0, 1)) 
    print(get_tag(3, 100))