Iterate through Json list object - Python

Question

I have some JSON text I want to iterate through, formatted in the following way:

{
  "itemsPerPage": 45,
  "links": {
    "next": "https://www.12345.com"
  },
  "list": [
    {
      "id": "333333",
      "placeID": "63333",
      "description": " ",
      "displayName": "test-12345",
      "name": "test",
      "status": "Active",
      "groupType": "Creative",
      "groupTypeV2": "Public",
      "memberCount": 1,
    },
     {
      "id": "32423",
      "placeID": "606",
      "description": " ",
      "displayName": "test123",
      "name": "test",
      "status": "Active",
      "groupType": "Creative",
      "groupTypeV2": "Private",
      "memberCount": 1,
    },

I am trying to iterate through this list, and grab the displayName, however my code won't recognize all of the different display names. Here is my code:

for i in range(len(json_obj['list'])):
if (json_obj['list'][i]['displayName'] == "some id"):
    do stuff
else:
    exit()

How can I fix the statement, in order to successfully loop through the json obj?

How can I use this obj, to iterate through and find display name? — pokemongirl1234
– pokemongirl1234, Commented Aug 22, 2016 at 18:00
Why are you referring to it as json_obj and dataset? Are those two variables the same? — Aran-Fey
– Aran-Fey, Commented Aug 22, 2016 at 18:00

Danielle M. · Accepted Answer · 2016-08-22 18:08:13Z

0

While the JSON you posted isn't valid, I'll assume you left some stuff off the end.

for entry in dataset['list']:
    print(entry['displayName'])

Will loop through your JSON data.

If you want to do_stuff() if it matches a certain value:

for entry in dataset['list']:
    if entry['displayName'] == 'test-12345':
        do_stuff()

edited Aug 22, 2016 at 18:08

answered Aug 22, 2016 at 18:03

Danielle M.

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3 Comments

pokemongirl1234 Over a year ago

is entry just a random variable?

Danielle M. Over a year ago

Yes - I'm looping through every object in dataset['list'] - on each loop, the current object is named 'entry'. You can call it anything you want.

u8y7541 Over a year ago

@pokemongirl1234 Yes. He chose the name entry because each object inside list is an entry.

Евгений Постнов · Accepted Answer · 2016-08-22 18:08:31Z

This is work for me.

import json
text = """{
  "itemsPerPage": 45,
  "links": {
    "next": "https://www.12345.com"
  },
  "list": [
    {
      "id": "333333",
      "placeID": "63333",
      "description": " ",
      "displayName": "test-12345",
      "name": "test",
      "status": "Active",
      "groupType": "Creative",
      "groupTypeV2": "Public",
      "memberCount": 1
    },
     {
      "id": "32423",
      "placeID": "606",
      "description": " ",
      "displayName": "test",
      "name": "test",
      "status": "Active",
      "groupType": "Creative",
      "groupTypeV2": "Private",
      "memberCount": 1
    }]}"""
data = json.loads(text)
for item in data['list']:
    if 'displayName' in item:
        print(item['displayName'])

Carter Smith · Accepted Answer · 2016-08-22 18:32:43Z

0

You need to actually perform actions within your loop. Python relies on whitespace to denote blocks. This is something you can't forget when writing Python.

for i in range(len(json_obj['list'])):
if (json_obj['list'][i]['displayName'] == "some id"):
    do stuff
else:
    exit()

should be

for i in range(len(json_obj['list'])):
    if (json_obj['list'][i]['displayName'] == "some id"):
        do stuff
    else:
        exit()

answered Aug 22, 2016 at 18:32

Carter Smith

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