gistfile1.txt

import platform
import requests
import os
import subprocess

def get_key():
    if 'Darwin' in platform.platform():
        url = 'https://www.roboti.us/getid/getid_osx'
    elif 'Linux' in platform.platform():
        url = 'https://www.roboti.us/getid/getid_linux'
    else:
        pass

    f = requests.get(url)
    open('getid', 'wb').write(f.content)
    os.system('chmod a+x getid')
    from subprocess import Popen, PIPE
    p = Popen(['./getid | sed "4q;d" > res.txt'], stdin=PIPE, stderr=PIPE, shell=True)
    p.communicate(input='\n'.encode())
    os.system('rm getid')
    with open('res.txt') as f: key = f.readlines()[0].rstrip().strip()
    os.system('rm res.txt')
    return key

print(get_key())