example.py

example.py

import gevent, gevent.queue

MAX = 0

def send_mail(sent_to, msg):
    print "sent_to:", sent_to, "\tmessage:", msg


def background(queue):
    for args in queue:
        send_mail(*args)
    print 'background exit'

queue = gevent.queue.Queue(MAX)
background = gevent.spawn(background, queue)

queue.put(("a@a.com", "hi, a"))
queue.put(("a@a.com", "hi, b"))
queue.put(("a@a.com", "hi, c"))
queue.put(StopIteration)

background.join()