def expose(ngrok_authtoken):
import subprocess, threading, time
def bash(script): subprocess.run(script, shell=True)
def timer(done, s=45):
for i in range(s+1):
if done.is_set(): break
print(f'\rWait for ~ {s} seconds... \x1b[33m{i:>2} s',
end='', flush=True)
time.sleep(1)
done = threading.Event()
threading.Thread(target=timer, args=(done,)).start()
bash('''
curl -s https://ngrok-agent.s3.amazonaws.com/ngrok.asc \
| tee /etc/apt/trusted.gpg.d/ngrok.asc
echo "deb https://ngrok-agent.s3.amazonaws.com buster main" \
| tee /etc/apt/sources.list.d/ngrok.list
apt-get update && apt-get install -y ngrok
pip install jupyterlab pyngrok
''')
from pyngrok import ngrok
ngrok.set_auth_token(ngrok_authtoken)
tunnel = ngrok.connect(8888).public_url
done.set()
print(f'\r{tunnel}', flush=True)
try: bash('jupyter lab --IdentityProvider.token=""')
finally: ngrok.disconnect(tunnel)
expose(ngrok_authtoken='<YOUR_NGROK_AUTHTOKEN>')
# https://dashboard.ngrok.com/get-started/your-authtoken