export_har_domains_urls.py

import json
from urllib.parse import urlparse


def parse_har(filename):
    with open(filename) as h:
        data = json.loads(h.read())
        urls = list(set([i['request']['url'] for i in data['log']['entries']]))
        domains = list(set([urlparse(i).netloc for i in urls]))
    
    with open(f'{filename}.urls.csv', 'w+') as h:
        for url in urls:
            h.write(f'{url}\n')

    with open(f'{filename}.domains.csv', 'w+') as h:
        for domain in domains:
            h.write(f'{domain}\n')


parse_har('stoodi-video.har')