def main():
t1 = task("http://www.laurentluce.com/posts/python-threads-synchronization-locks-rlocks-semaphores-conditions-events-and-queues/")
t2 = task("http://stackoverflow.com/questions/15651128/in-this-semaphore-example-is-it-necessary-to-lock-for-refill-and-buy")
t3 = task("http://bbs.byr.cn/")
event = Event()
tasks = TaskQueue(event)
pages = TaskQueue(None)
tasks.add(t1)
tasks.add(t2)
tasks.add(t3)
taskLock = BoundedSemaphore(tasks.numOfNewTasks)
pageLock = BoundedSemaphore(1)
f = open("test.txt",'w')
Connector0 = Connector(tasks,taskLock,pages,pageLock,event,'',f, 3000)
Connector1 = Connector(tasks,taskLock,pages,pageLock,event,'',f, 3001)
Connector0.start()
Connector1.start()
Crawler0 = Crawler('',3000)
Crawler1 = Crawler('',3001)
Crawler0.start()
Crawler1.start()
Connector1.join()
Connector0.join()
Crawler0.join()
Crawler1.join()
f.close()
def main():
t1 = task("http://www.laurentluce.com/posts/python-threads-synchronization-locks-rlocks-semaphores-conditions-events-and-queues/")
t2 = task("http://stackoverflow.com/questions/15651128/in-this-semaphore-example-is-it-necessary-to-lock-for-refill-and-buy")
t3 = task("http://bbs.byr.cn/")
event = Event()
tasks = Queue()
pages = Queue()
tasks.put(t1)
tasks.put(t2)
tasks.put(t3)
f = open("test.txt",'a')
Crawler1 = Crawler(tasks,pages,event,f)
Crawler2 = Crawler(tasks,pages,event,f)
Crawler1.start()
Crawler2.start()
Crawler1.join()
Crawler2.join()
f.close()
