Verify all keys within JSON Array using Python request

Question

I have JSON Array like this:

   data = """ [
        {
            "id": 1,
            "name": "crm/index",
            "description": "CRM/Dashboard"
        },
        {
            "id": 2,
            "name": "crm/index/with_search",
            "description": "CRM/Global Search"
        }
    ]"""

Now, I have to verify that within this json three keys i.e. 'id', 'name' and 'description' are displaying throughout.

I have used following method:

student = json.loads(data)
if "id" in student:
   print("Key exist in JSON data")
else:
   print("Key doesn't exist in JSON data")

But it is returning me else statment, I need to know, where I am making mistake.

Andrej Kesely · Accepted Answer · 2022-08-09 16:39:21Z

1

You probably want any():

import json

data = """\
[
    {
        "id": 1,
        "name": "crm/index",
        "description": "CRM/Dashboard"
    },
    {
        "id": 2,
        "name": "crm/index/with_search",
        "description": "CRM/Global Search"
    }
]"""

data = json.loads(data)

if any("id" in dct for dct in data):
    print("Key exists in data")
else:
    print("Key doesn't exists in data")

Prints:

Key exists in data

If you want to check if key id exists in all dictionaries in data, use all() instead of any()

answered Aug 9, 2022 at 16:39

Andrej Kesely

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2 Comments

Taimoor Pasha Over a year ago

That's pretty cool, but can we use list of keys instead of passing individual names, like instead of 'id', can we verify it with ['id', 'name', 'description']

Andrej Kesely Over a year ago

@TaimoorPasha You can try if any(word in dct for dct in data for word in ["id", "name", "description"]): ...

user19249111 · Accepted Answer · 2022-08-09 16:40:02Z

0

Try this

import json


data = """ [
    {
        "id": 1,
        "name": "crm/index",
        "description": "CRM/Dashboard"
    },
    {
        "id": 2,
        "name": "crm/index/with_search",
        "description": "CRM/Global Search"
    }
]"""
students = json.loads(data)
for student in students:
    if "id" in student:
        print("Key exist in JSON data")
    else:
        print("Key doesn't exist in JSON data")

answered Aug 9, 2022 at 16:40

user19249111

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