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import threading
import time


class ThreadLock(object):
	def __init__(self):
		self.namedlock = {}
		self.lock = threading.Lock()
	def __call__(self, name):
		print 'name', name
		self._name = name
		with self.lock:
			nlock = self.namedlock.setdefault(name, threading.Lock())
		return nlock


def foo(args):
	idx = args
	name = 'hello' if idx != 0 else 'hi'
	with my(name):
		for i in range(10):
			print 'thread-%d : %d' % (idx, i)
			time.sleep(1)


my = ThreadLock()


for i in range(3):
	threading.Thread(target = foo, args = (i,)).start()