simple_eventlet_test.py

import eventlet
import eventlet.corolocal
import time

def print_thread(prefix):
    while True:
        ident = eventlet.corolocal.get_ident()
        print "%s (%s): %s" % (prefix, ident, time.time())
        eventlet.sleep(2)

for i in range(2):
    eventlet.spawn_n(print_thread, 'child%d' % i)

eventlet.sleep(0.5)
print_thread('main  ')