JSONDecodeError: Extra data: Python

Question

I am loading json from files using the code:

file = 'file_name'
obj_list = []
with open(file) as f:
    for json_obj in f:
        obj_list.append(loads(json_obj))

I get error:

JSONDecodeError: Extra data: line 1 column 21 (char 20)

All my files look like this but much larger.

{"some":"property2"}{"some":"property"}{"some":"property3"}

Is there a way to parse this in python for a large number of files?

The example you posted isn't valid JSON. If they all look exactly like that (i.e., just one key/value, no nesting) you could probably write a custom thing to split them and then parse them separately as JSON. — BrenBarn, Feb 02 '22 at 22:16

score 2 · Answer 1 · answered Feb 02 '22 at 22:19

2

Your json is not valid . It should be something like this

[{'some': 'property2'}, {'some': 'property'}, {'some': 'property3'}]

answered Feb 02 '22 at 22:19

Nabil

score -2 · Answer 2 · answered Feb 02 '22 at 22:19

-2

import json
with open(file, 'r') as f:
    json_str = f'[{f.read()}]'
    obj_list = json.loads(json_str)

Reading the content, adding [] to make it valid json, and then loading it with the json package.

answered Feb 02 '22 at 22:19

elgehelge

This won't do it by itself, unfortunately. I'd take a closer look at the OPs sample data. – rv.kvetch Feb 02 '22 at 22:26

2 Answers2