get

import json
import requests

from requests.auth import HTTPBasicAuth

class Incident:
    name = "Client-Callable Script Includes are Public System Setting Rule"

UID = "superadmin"
PWD = 'Z!x2c3v4'

PUT_URL = "https://dev116414.service-now.com/api/now/table/sys_properties/{{ sys_id }}"
GET_URL = "https://dev116414.service-now.com/api/now/table/sys_properties?name={{ name }}"
POST_URL = "https://dev116414.service-now.com/api/now/table/sys_properties"

incident = Incident()

params = { 'field_name': '' }

sys_id = ""

if incident.name == 'Allow Embedded HTML Code System Setting Rule':
    params['field_name'] = 'glide.ui.security.allow_codetag'
    params['data'] = {'value': 'false'}
elif incident.name == 'Bypass Multi-Factor Authentication count System Setting Rule':
    params['field_name'] = 'glide.authenticate.multifactor.setup.bypass.count'
    params['data'] = {'value': '0'}
elif incident.name == 'Require Mobile Pin System Setting Rule':
    params['field_name'] = 'glide.sg.require_mobile_application_pin'
    params['data'] = {'value': 'true'}
elif incident.name == 'Client-Callable Script Includes are Public System Setting Rule':
    params['field_name'] = 'glide.script.ccsi.ispublic'
    params['data'] = {'value': 'false'}
    params['insert_data'] = {'name': params['field_name'], 'value': 'false'}

if params['field_name'] != "":
    url = GET_URL.replace("{{ name }}", params['field_name'])
    response = requests.get(url, auth=HTTPBasicAuth(UID, PWD))
    response_json = json.loads(response.text)
    print(response_json)
    if 'result' in response_json and \
        len(response_json['result']) > 0 and \
        'name' in response_json['result'][0] and \
        response_json['result'][0]['name'] == params['field_name'] and \
        'sys_id' in response_json['result'][0]:
        
        sys_id = response_json['result'][0]['sys_id']
        print("sys_id for", params['field_name'], ":", sys_id)

    elif 'result' in response_json and \
        len(response_json['result']) == 0:
        ### Not exist...
        response = requests.post(POST_URL, auth=HTTPBasicAuth(UID, PWD), json=params['insert_data'])
        print(response.text)

if sys_id != "" and 'data' in params:
    url = PUT_URL.replace("{{ sys_id }}", sys_id)

    response = requests.put(url, auth=HTTPBasicAuth(UID, PWD), json=params['data'])

    print(response.text)