How to fix "'list' object has no attribute 'values'" when reading JSON file

Question

[{
    'original_block': '213.158.64.0/19',
    'transferred_blocks': '213.158.64.0/19',
    'from': 'REGISTER.IT S.P.A.',
    'to': 'REGISTER S.P.A.',
    'date': '01/07/2019',
    'transferType': 'MERGER_OR_ACQUISITION',
    }, {
    'original_block': '5.154.240.0/23',
    'transferred_blocks': '5.154.240.0/24',
    'from': 'NAV COMMUNICATIONS SRL',
    'to': 'uPress Inc',
    'date': '01/07/2019',
    'transferType': 'POLICY',
    }, {
    'original_block': '78.159.136.0/21',
    'transferred_blocks': '78.159.140.0/22',
    'from': 'Telecom Aset Ltd',
    'to': 'Aryaka Networks Inc.',
    'date': '01/07/2019',
    'transferType': 'POLICY',
    }, {
    'original_block': '81.88.48.0/20',
    'transferred_blocks': '81.88.48.0/20',
    'from': 'REGISTER.IT S.P.A.',
    'to': 'REGISTER S.P.A.',
    'date': '01/07/2019',
    'transferType': 'MERGER_OR_ACQUISITION',
    }]

I have a list of IP transfers information that I loaded from a JSON file. I want to extract some values from the JSON file (dictionary) but I keep getting 'list' object has no attribute 'values'.

import json

with open ('iplist.json','r') as t:

    d = json.load(t)

address = [item['original_block'] for d_ in d.values() for item in d_]

print(address)

I get

'list' object has no attribute 'values'

I expect to see

address = ['213.158.64.0/19', '5.154.240.0/23', '78.159.136.0/21', '81.88.48.0/20']

address = [item['original_block'] for item in d]

Rakesh
– Rakesh

2019-07-10 12:55:28 +00:00
Commented Jul 10, 2019 at 12:55 — Rakesh
– Rakesh, Commented Jul 10, 2019 at 12:55
it worked, thanks. What was my error please?

thereal90
– thereal90

2019-07-10 12:58:48 +00:00
Commented Jul 10, 2019 at 12:58 — thereal90
– thereal90, Commented Jul 10, 2019 at 12:58

Adam.Er8 · Accepted Answer · 2019-07-10 12:56:11Z

d is a list of dictionaries, each of which has a original_block key.

just do this:

d = [{'original_block': '213.158.64.0/19', 'transferred_blocks': '213.158.64.0/19', 'from': 'REGISTER.IT S.P.A.', 'to': 'REGISTER S.P.A.', 'date': '01/07/2019', 'transferType': 'MERGER_OR_ACQUISITION'}, {'original_block': '5.154.240.0/23', 'transferred_blocks': '5.154.240.0/24', 'from': 'NAV COMMUNICATIONS SRL', 'to': 'uPress Inc', 'date': '01/07/2019', 'transferType': 'POLICY'}, 
{'original_block': '78.159.136.0/21', 'transferred_blocks': '78.159.140.0/22', 'from': 'Telecom Aset Ltd', 'to': 'Aryaka Networks Inc.', 'date': '01/07/2019', 'transferType': 'POLICY'}, 
{'original_block': '81.88.48.0/20', 'transferred_blocks': '81.88.48.0/20', 'from': 'REGISTER.IT S.P.A.', 'to': 'REGISTER S.P.A.', 'date': '01/07/2019', 'transferType': 'MERGER_OR_ACQUISITION'}]

address = [item['original_block'] for item in d]

print(address)

Output:

['213.158.64.0/19', '5.154.240.0/23', '78.159.136.0/21', '81.88.48.0/20']

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