gistfile1.txt

#!/usr/bin/env python
import sys
import eventlet

try:
    wait, timeout = (float(x) for x in sys.argv[1:])
except Exception:
    sys.exit('USAGE: %s <wait> <timeout>' % sys.argv[0])


def do_a_thing():
    eventlet.sleep(wait)
    print "I have done a thing"

print "I am going to do a thing, it better not take to long"
gt = eventlet.spawn(do_a_thing)
with eventlet.Timeout(timeout, False):
    gt.wait()
print "I am done waiting on the thing"