Altering a nested json list of values into an array

Question

I'm trying to change a list of values in a nested json and turn it into an array.

This is the current json output for two examples:

Example 1:
print(response['Version']['Document'])

{
    "Version": "0001",
    "Statement": {
        "Effect": "----",
        "Action": "----",
        "Resource": "*"
    }
}

Example 2:
print(response['Version']['Document'])
{
    "Version": "0002",
    "Statement": [
        {
            "Effect": "----",
            "Resource": "*"
        }
    ]
}

I want to change the Statement, that is a list of values (for example 1) into an array but the values inside (Effect, Action and Resource) stay as list values.

I'm trying to make an if statement that will respect the second example (Example 2) already being an array.

Desired output:

Example 1:
print(response['Version']['Document'])

{
    "Version": "0001",
    "Statement": [
        {
        "Effect": "----",
        "Action": "----",
        "Resource": "*"
        }
    ]
}

Example 2:
print(response['Version']['Document'])
{
    "Version": "0002",
    "Statement": [
        {
            "Effect": "----",
            "Resource": "*"
        }
    ]
}

What would be a good solution for this?

Ankit · Accepted Answer · 2020-12-23 14:15:51Z

1

You can simply check for its datatype

    if (type(response['Version']['Document']['Statement'])==list):
        pass
    else:
        response['Version']['Document']['Statement']=[response['Version']['Document']['Statement']]

answered Dec 23, 2020 at 14:15

Ankit

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1 Comment

ire Over a year ago

Yes, this does exactly what I want it to. Thank you very much for both answers.

quamrana · Accepted Answer · 2020-12-23 14:05:04Z

0

I think you just have to replace the item:

s = response['Version']['Document'][‘Statement’]
if not isinstance(s, list):
    response['Version']['Document'][‘Statement’] = [s]

answered Dec 23, 2020 at 14:05

quamrana

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