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pythonkdpythonkd
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By Zhao Kun Peng
1 parent e2c3e4e commit bdba0c6

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15 files changed

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15 files changed

+373
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lines changed

‎LOG10/01.py‎

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import logging
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LOG_FORMAT = "%(asctime)s=====%(levelname)s+++++%(message)s"
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logging.basicConfig(filename="NJUST.txt",level=logging.DEBUG,format=LOG_FORMAT)
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logging.debug("This is a debug log.")
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logging.info("This is a info log.")
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logging.warning("This is a warning log.")
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logging.error("This is a error log.")
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logging.critical("This is a critical log.")
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logging.log(logging.DEBUG,"This is a debug log.")
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logging.log(logging.INFO, "This is a info log.")
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logging.log(logging.WARNING, "This is a warning log.")
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logging.log(logging.ERROR, "This is a error log.")
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logging.log(logging.CRITICAL, "This is a critical log.")

‎LOG10/02.py‎

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import logging
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a="veribule"
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LOG_FORMAT = "%(user)s[%(ip)s] - %(levelname)s***%(name)s******%(message)s***%(asctime)s"
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DATE_FORMAT = "%Y-%m-%d %I:%M:%S %P"
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logging.basicConfig(datefmt = DATE_FORMAT,format=LOG_FORMAT,level=logging.DEBUG,filemode='w',filename="/home/tlxy/dana/tutu.txt")
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logging.debug("This is debug DE {}".format(a), exc_info=True,extra={'user':'tom','ip':'47.98.53.222'})
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logging.info("This is info",extra={'user':'tom','ip':'47.98.53.222'})
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logging.log(logging.WARNING,'This is warning',extra={'user':'tom','ip':'47.98.53.222'})
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logging.error('this is a error',extra={'user':'tom','ip':'47.98.53.222'})
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logging.log(logging.CRITICAL, "This is a Critical",extra={'user':'tom','ip':'47.98.53.222'})

‎LOG10/03.py‎

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import threading
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sum = 0
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loopsum = 1000000
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def myAdd():
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global sum, loopsum
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for i in range(1, loopsum):
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sum += 1
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def myMinu():
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global sum, loopsum
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for i in range(1, loopsum):
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sum -= 1
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if __name__ == '__main__':
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print('Starting ......{}'.format(sum))
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t1 = threading.Thread(target=myAdd(), args=())
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t2 = threading.Thread(target=myMinu(), args=())
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t1.start()
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t2.start()
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t1.join()
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t2.join()
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print("Done ... ... {}".format(sum))

‎LOG10/04.py‎

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import threading
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sum = 0
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loopsum = 100000
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lock = threading.Lock()
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def myadd():
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global sum, loopsum
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for i in range(1,loopsum):
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lock.acquire()
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sum += 1
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lock.release()
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def myMinu():
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global sum, loopsum
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for i in range(1, loopsum):
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lock.acquire()
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sum -= 1
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lock.release()
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if __name__ == '__main__':
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print("Starting ......{}".format(sum ))
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t1 = threading.Thread(target=myadd(), args=())
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t2 = threading.Thread(target=myMinu(), args=())
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t1.start()
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t2.start()
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t1.join()
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t2.join()
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print("Done .....{}".format(sum))

‎LOG10/05.py‎

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import threading
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import time
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import queue
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class Producer(threading.Thread):
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def run(self):
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global queue
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count = 0
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while True:
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if queue.qsize()<1000:
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for i in range(100):
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count = count + 1
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msg = '生成产品' + str(count)
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queue.put(msg)#放入消息
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print(msg)
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time.sleep(0.5)
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class Consumer(threading.Thread):
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def run(self):
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global queue
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while True:
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if queue.qsize()> 100:
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for i in range(3):
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msg = self.name + '消费了' + queue.get()#拿出消息
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print(msg)
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time.sleep(1)
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if __name__ == '__main__':
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queue=queue.Queue()
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for i in range(500):
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queue.put("初始产品" + str(i))
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for i in range(2):
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p = Producer()
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p.start()
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for i in range(5):
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c = Consumer()
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c.start()

‎LOG10/06.py‎

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import threading
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import time
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lock_1 = threading.Lock()
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lock_2 = threading.Lock()
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def fun1():
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print("func1 starting......")
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lock_1.acquire()
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print("func1 acquir1 lock_1")
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time.sleep(2)
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print("func_1 等待lock_2")
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lock_2.acquire()
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print("func_1 acquire lock_2......")
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lock_2.release()
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print("func_1 relesse lock_2")
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lock_1.release()
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print("func1 release lock_1")
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print("func1 done......")
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def func_2():
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print("func2 starting......")
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lock_2.acquire()
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print("func2 acquir1 lock_2")
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time.sleep(4)
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print("func_2 等待lock_1")
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lock_1.acquire()
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print("func_2 acquire lock_1......")
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lock_1.release()
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print("func_2 relesse lock_1")
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lock_2.release()
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print("func1 release lock_2")
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print("func1 done......")
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if __name__ == '__main__':
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print("主程序启动")
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t1 = threading.Thread(target=fun1, args=())
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t2 = threading.Thread(target=func_2, args=())
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t1.start()
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t2.start()
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t1.join()
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t2.join()

‎LOG10/07.py‎

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import threading
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import time
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lock_1 = threading.Lock()
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lock_2 = threading.Lock()
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def fun1():
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print("func1 starting......")
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lock_1.acquire(timeout = 4)
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print("func1 acquir1 lock_1")
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time.sleep(2)
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print("func_1 等待lock_2")
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rst=lock_2.acquire()
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if rst:
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print("func_1 acquire lock_2......")
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lock_2.release()
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print("func_1 relesse lock_2")
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else:
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print("fun1 not acquire lock_2")
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lock_1.release()
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print("func1 release lock_1")
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print("func1 done......")
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def func_2():
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print("func2 starting......")
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lock_2.acquire()
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print("func2 acquir1 lock_2")
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time.sleep(4)
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print("func_2 等待lock_1")
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rst = lock_1.acquire(timeout=4)
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if rst:
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print("func_2 acquire lock_1......")
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lock_1.release()
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print("func_2 relesse lock_1")
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else:
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print("func_2 not acquire lock_1")
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lock_2.release()
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print("func1 release lock_2")
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print("func1 done......")
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if __name__ == '__main__':
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print("主程序启动")
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t1 = threading.Thread(target=fun1, args=())
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t2 = threading.Thread(target=func_2, args=())
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t1.start()
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t2.start()
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t1.join()
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t2.join()
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‎LOG10/08.py‎

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import threading
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import time
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# 参数定义了最多有几个线程同时使用资源
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semaphore = threading.Semaphore(3)
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def func():
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if semaphore.acquire():
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for i in range(5):
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print(threading.currentThread().getName() + 'get semaphore')
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time.sleep(15)
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semaphore.release()
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print(threading.currentThread().getName() + 'release semaphore')
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for i in range(8):
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t1 = threading.Thread(target=func,args=())
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t1.start()

‎LOG10/09.py‎

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import threading
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import time
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def func():
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print("I am running......")
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time.sleep(4)
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print("I am done......")
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if __name__ == '__main__':
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t = threading.Timer(6, func)
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t.start()
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i = 0
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while True:
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print("{}********".format(i))
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time.sleep(1)
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i += 1

‎LOG10/10.py‎

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import threading
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import time
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class MyThread(threading.Thread):
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def run(self):
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global num
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time.sleep(1)
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if mutex.acquire(1):
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num += 1
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msg = self.name +'set num to ' + str(num)
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print(msg)
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mutex.acquire()
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mutex.release()
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mutex.release()
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num = 0
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mutex = threading.RLock()
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def tes1t():
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for i in range(5):
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t = MyThread()
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t.start()
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if __name__ == '__main__':
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tes1t()

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