Testing Greenlet creation

create_greenlet.py

from gevent import Greenlet
import gevent

class MyNoopGreenlet(Greenlet):

    def __init__(self, number, seconds):
        Greenlet.__init__(self)
        self.number = number
        self.seconds = seconds
        print "Initialized greenlet with number:%i seconds:%i" % \
              (self.number, self.seconds)


    def _run(self):
        print "Entered run in greenlet number %i" % (self.number,)
        gevent.sleep(self.seconds)
        print "Exiting greenlet number %i" % (self.number,)

    def __str__(self):
        return 'MyNoopGreenlet(number:%s, seconds:%s)' \
               % (self.number, self.seconds)


if __name__ == "__main__":
    greenlets = map(lambda number, seconds: MyNoopGreenlet(number, seconds),
                    [1, 2, 3],
                    [3, 3, 3])


    gevent.sleep(0)
    print "About to start greenlets. This would not execute them though," \
          " till main greenlet sleeps"
    map(lambda g: g.start(), greenlets)
    print "Started all greenlets. Will now sleep main greenlet for 0 seconds " \
          "to allow child greenlets to run"

    gevent.sleep(0)
    print " Will now block till child greenlets finish executing"
    gevent.joinall(greenlets)
    print " All child greenlets have finished executing"