How to set dict as json object using redis-py?

Question

As of redis-py 4.0, json is supported. I am using redis-py version 4.0.2 on Windows 11. I have a redis server running in docker utilizing redislabs/rejson:latest.

I am attempting to load a json object via the following -

import redis
from redis.commands.json.path import Path
from redis import exceptions
from redis.commands.json.decoders import unstring, decode_list

r = redis.Redis()
d = {"hello": "world", b"some": "value"}
r.json().set("somekey", Path.rootPath(), d)

Just how it is done in the tests - https://github.com/redis/redis-py/blob/e8bcdcb97b8c915e2bb52353aeda17c00e1be215/tests/test_json.py#L19

However I am getting this error -

TypeError: keys must be str, int, float, bool or None, not bytes

What am I missing?

Anton · Accepted Answer · 2021-12-06 22:31:58Z

3

You have a b prefix in your json, which stands for bytes.

Just remove 'b' from b"some": and it would work as expected:

d = {"hello": "world", "some": "value"}

answered Dec 6, 2021 at 22:31

Anton

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1 Comment

user3533755 Over a year ago

Thanks! Interesting enough, they use that in the testcase github.com/redis/redis-py/blob/…

mirekphd · Accepted Answer · 2023-05-13 08:49:41Z

3

This will fix it (adding decode_keys=True to decode any binary keys):

r.json().set("somekey", Path.rootPath(), d, decode_keys=True)

edited May 13, 2023 at 8:49

answered May 13, 2023 at 8:43

mirekphd

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