base64

import base64

file_path = r'xxx'
with open(file_path, 'rb') as f:
    data = f.read()
    b64_byte = base64.b64encode(data)  # 使用b64对类字节对象进行编码,但是结果还是byte类型
    b64_str = b64_byte.decode('utf-8')
    print(f'base64_data:\n{b64_str}\ntype:\n{type(b64_str)}')

    re_data = base64.b64decode(b64_str)  # 解码为二进制数据
    print(f're_data:\n{re_data}\ntype:{type(re_data)}')