我如何将 ascii python 字符串转换为其三进制表示

How do i convert a ascii python string to its trinary representation

我正在尝试以尽可能最紧凑的方式对只有 a、t 和 g 的 dna 格式的文本进行编码。

我曾尝试将字符串转换为二进制,然后是 int,然后是三进制,但是当通过 int(binary,2) 将二进制转换为 int 时,ascii 文本“损坏”为乱码。

我找到了解决方案

def asciiToTrinary(chars):
    result = []
    for char in chars: #covnvert to trinary(revrersed)
        currResults=[]
        n = ord(char)
        while n:
            n, r = divmod(n, 3)
            currResults.append(str(r))
        currResults=currResults[::-1]
        result.append("".join(currResults))
    result=result[::-1] #idk what this does but code breakes without it
    result.reverse() #reverse
    trinary=[]
    for char in result: #add padding
        char=(8-len(char))*"0"+char
        trinary+=char
    return "".join(trinary)

def trinaryToAscii(trinary):
    trinary=[trinary[i:i+8] for i in range(0, len(trinary), 8)] #break into chunks of 8
    chars=""
    for char in trinary:
        chars+=chr(int(char,3))
    return chars