text_gevent.py

from gevent import monkey; monkey.patch_all()
from gevent.pywsgi import WSGIServer

def application(environ, start_response):
    start_response('200 OK', [('Content-Type', 'text/plain')])
    return [b'I am a stupid HTTP server!']

if __name__ == '__main__':
    WSGIServer(('', 8080), application, log=None).serve_forever()