python多线程技术 python-线程的开始、停止、暂停总结

末蓝、 2021-08-19 23:09 617阅读 0赞

参考别人的：[https://blog.csdn.net/u013040887/article/details/80878561][https_blog.csdn.net_u013040887_article_details_80878561]

重写Thread线程类参考官方文档：[https://docs.python.org/zh-cn/3/library/threading.html\#module-threading][https_docs.python.org_zh-cn_3_library_threading.html_module-threading]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzM0MzE0NA_size_16_color_FFFFFF_t_70][]

我自己写的代码：

"""
        功能：封装一个自定义的线程管理类【兼容线程的启动和停止】
             重写Thread线程类参考官方文档：https://docs.python.org/zh-cn/3/library/threading.html#module-threading
    """
    
    from threading import Thread, Event
    import time
    from app.libs.utils.util_global import UtilGlobal
    
    
    class OwnThread(Thread):
        def __init__(self, target, name=None, group=None,
                     args=(), kwargs=None, daemon=None):
            Thread.__init__(self, group=group, target=target, name=name,
                            args=args, kwargs=kwargs, daemon=daemon)
            self.target = target
            self.args = args
            self.kwargs = UtilGlobal.check_none_type_to_empty_dict_else_original(kwargs)
            self.__running = Event()
            self.__running.set()
    
        def run(self):
            """
                功能：重写父类的run方法【当外部调用own_thread.start()开启线程就会自动运行run方法】
                特殊说明：父类run方法的三个属性【_target、_args、_kwargs】都是私有属性【下划线开头】,无法继承！
                        所以这里不能直接super().run(),而是直接调用target方法即可
            """
            while self.__running.isSet():
                UtilGlobal.check_is_function_or_method_type(self.target)
                self.target(*self.args, **self.kwargs)
                time.sleep(1)
    
        def stop(self):
            """
                功能：封装一个停止线程的方法
            :return:
            """
            self.__running.clear()
    
    
    def test():
        print("执行线程中...")
    
    
    a = OwnThread(target=test, name="test")
    
    a.start()
    
    time.sleep(5)
    a.stop()

[https_blog.csdn.net_u013040887_article_details_80878561]: https://blog.csdn.net/u013040887/article/details/80878561
[https_docs.python.org_zh-cn_3_library_threading.html_module-threading]: https://docs.python.org/zh-cn/3/library/threading.html#module-threading
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzM0MzE0NA_size_16_color_FFFFFF_t_70]: /images/20210813/ef9f58233a9043f7a3dab6783b77c8a6.png