Python 3 (no dependency) authenticated request to NetworkOptix (demo)

test.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import json
import base64
import urllib.request

url_request = urllib.request.Request('http://demo.networkoptix.com:7001/ec2/getCamerasEx')
url_request.add_header('Authorization', f'Basic {base64.b64encode(b"demo:nxwitness").decode("utf-8")}')

response = urllib.request.urlopen(url_request)
data = response.read().decode(response.headers.get_content_charset() or 'utf-8')
data = json.loads(data)

from pprint import pprint
pprint(data)