Python的線程控制類

下面是一個基礎的python線程控制類

#!/usr/bin/env python
"""
testthread.py
An example of an idiom for controling threads

Doug Fort
http://www.dougfort.net
"""
import threading
class TestThread(threading.Thread):
    """
    A sample thread class
    """

def __init__(self):
    """
    Constructor, setting initial variables
    """
    self._stopevent = threading.Event()
    self._sleepperiod = 1.0

    threading.Thread.__init__(self, name="TestThread")

def run(self):
    """
    overload of threading.thread.run()
    main control loop
    """
    print "%s starts" % (self.getName(),)

    count = 0
    while not self._stopevent.isSet():
        count += 1
        print "loop %d" % (count,)
        self._stopevent.wait(self._sleepperiod)

    print "%s ends" % (self.getName(),)

def join(self,timeout=None):
    """
    Stop the thread
    """
    self._stopevent.set()
    threading.Thread.join(self, timeout)


if name == "main":
    testthread = TestThread()
    testthread.start()

import time
time.sleep(10.0)

testthread.join()

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