Validate that an .io TLD is available to purchase. Uses https://gist.github.com/isaacbw/6831088#file-available-txt as the initial seed of domains to check. Props to http://whomsy.com/ for not blocking me.

parse_available_io_domains.py

import requests

gist_url = 'https://gist.github.com/isaacbw/6831088/raw/33b0072c6160f0fe304e998fa04715117456414d/available.txt'
gist_response = requests.get(gist_url)

if gist_response.ok:
    with open('available.txt', 'w') as file:
        lines = gist_response.content.split('\n')
        available_count = 0

        for idx, line in enumerate(lines):
            if idx % 10 == 0:
                print(idx)

            whomsy_url = 'http://whomsy.com/api/{domain}'.format(**{
                'domain': line,
            })

            whomsy_response = requests.get(whomsy_url)
            
            if whomsy_response.ok:
                whomsy_json = whomsy_response.json()
                message = whomsy_json.get('message')

                if message and 'is available for purchase' in message:
                    # print(whomsy_json)
                    available_count = available_count + 1
                    domain = whomsy_json.get('domain')
                    file.write('{domain}\n'.format(**{'domain': domain}))

print('Found {available_count} available domains.'.format(**{'available_count': available_count}))