Python Program - Creating Thread using Threading Module

• Threading Module

  #!/usr/bin/python
  
  import threading
  import time
  
  exitFlag = 0
  
  class myThread (threading.Thread):
     def __init__(self, threadID, name, counter):
       self.threadID = threadID
       self.name = name
       self.counter = counter
       threading.Thread.__init__(self)
     def run(self):
       print "Starting " + self.name
       print_time(self.name, self.counter, 5)
       print "Exiting " + self.name
  def print_time(threadName, delay, counter):
     while counter:
       if exitFlag:
         thread.exit()
         time.sleep(delay)
         print "%s: %s" % (threadName, time.ctime(time.time()))
         counter -= 1
  
  # Create new threads
  thread1 = myThread(1, "Thread-1", 1)
  thread2 = myThread(2, "Thread-2", 2)
  
  # Start new Threads
  thread1.start()
  thread2.run()
  
  while thread2.isAlive():
     if not thread1.isAlive():
       exitFlag = 1
     pass
    print "Exiting Main Thread"

• Output

  Starting Thread-2
  Starting Thread-1
  Thread-1: Thu Jan 22 15:53:05 2009
  Thread-2: Thu Jan 22 15:53:06 2009
  Thread-1: Thu Jan 22 15:53:06 2009
  Thread-1: Thu Jan 22 15:53:07 2009
  Thread-2: Thu Jan 22 15:53:08 2009
  Thread-1: Thu Jan 22 15:53:08 2009
  Thread-1: Thu Jan 22 15:53:09 2009
  Exiting Thread-1
  Thread-2: Thu Jan 22 15:53:10 2009
  Thread-2: Thu Jan 22 15:53:12 2009
  Thread-2: Thu Jan 22 15:53:14 2009
  Exiting Thread-2
  Exiting Main Thread