wangui

class Looping(object):
	active = 0
	def __init__(self, counter, which):
		self.counter = counter
		self.which = which
		self.delay = 0
		Looping.active += 1
	def __call__(self):
		if self.counter <= 0:
			print "Finished" , self.which
			Looping.active -= 1
			if Looping.active <= 0:
				reactor.stop()
		else:
			print self.counter, self.which, "..."
			self.counter -= 1

from twisted.internet.task import LoopingCall
from twisted.internet import reactor

print "Start"
LoopingCall(Looping(5, "First")).start(2)
LoopingCall(Looping(5, "Second")).start(1)
LoopingCall(Looping(5, "Third")).start(0.5)

reactor.run()
print "Stop"