pip install eventlet
python
import eventlet
from eventlet import wsgi
def handle_request(env, start_response):
start_response('200 OK', [('Content-Type', 'text/plain')])
return [b"Hello, World!"]
server = eventlet.listen(('0.0.0.0', 8080))
pool = eventlet.GreenPool()
wsgi.server(server, handle_request, custom_pool=pool)