如何在JSON中编码字节? json.dumps()引发TypeError [英] How to encode bytes in JSON? json.dumps() throwing a TypeError

问题描述

我正在尝试使用json对包含字节字符串的字典进行编码，并得到is not JSON serializable error.

I am trying to encode a dictionary containing a string of bytes with json, and getting a is not JSON serializable error.

示例代码:

import base64
import json

data={}
encoded = base64.encodebytes(b'data to be encoded')
data['bytes']=encoded

print(json.dumps(data))

我收到的错误:

TypeError: b'ZGF0YSB0byBiZSBlbmNvZGVk\n' is not JSON serializable

如何使用JSON正确编码包含字节的字典?

How can I correctly encode my dictionary containing bytes with JSON?

推荐答案

JSON格式仅支持 unicode字符串.由于Base64将字节编码为仅ASCII字节，因此您可以使用该编解码器解码数据:

The JSON format only supports unicode strings. Since Base64 encodes bytes to ASCII-only bytes, you can use that codec to decode the data:

encoded = base64.encodestring(b'data to be encoded')
data['bytes'] = encoded.decode('ascii')

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