Python RuntimeError: Main thread is not in main loop 1. 错误信息含义 错误信息“RuntimeError: Main thread is not in main loop”通常出现在使用某些基于事件循环的Python库时,如asyncio或某些GUI框架(如Tkinter在某些特定配置下)。这个错误表明主线程(main thread)没有在
t = threading.Thread(target=your_func)t.setDaemon(True)t.start() daemon默认是False,将其设置为True,再Start,就可以解决问题。daemon为True,就是我们平常理解的后台线程,用Ctrl-C关闭程序,所有后台线程都会被自动关闭。如果daemon属性是False,线程不会随主线程的结束而结束,这时如果线程访问主线程的资源,就会出错。
Python提供了多线程编程的支持,可以通过创建新的线程来执行耗时的操作。下面的示例代码演示了如何使用多线程解决上述问题: importthreadingimporttimedeflong_running_task():time.sleep(5)defmain():thread=threading.Thread(target=long_running_task)thread.start()print("Main thread is still in main loop.")if_...
t=threading.Thread(target=your_func)t.setDaemon(True)t.start() daemon默认是False,将其设置为True,再Start,就可以解决问题。daemon为True,就是我们平常理解的后台线程,用Ctrl-C关闭程序,所有后台线程都会被自动关闭。如果daemon属性是False,线程不会随主线程的结束而结束,这时如果线程访问主线程的资源,就会出错。
简介: python RuntimeError: main thread is not in main loop RuntimeError: main thread is not in main loop这个错误记录一下 原始代码 def show(self): T = threading.Thread(target=self.__show, args=()) T.start() 修正后代码 def show(self): T = threading.Thread(target=self.__show, ...
RuntimeError: main thread is not in main loop Tcl_AsyncDelete: async handler deleted by the wrong thread (报错内容:主线程不在主循环中,异步处理程序被错误的线程删除,其实就是多线程的问题) 在网上查找解决办法的时候发现都是指向matplotlib 具体解决办法及原因如下 ...
: <function Variable.__del__ at 0x0000023DD71EAB80> Traceback (most recent call last): File "C:\python39\lib\tkinter\__init__.py", line 363, in __del__ if self._tk.getboolean(self._tk.call("info", "exists", self._name)): RuntimeError: main thread is not in main loop...
RuntimeError: main thread is not in main loop [[Node: Loss/PyFunc_1 = PyFunc[Tin=[DT_FLOAT], Tout=[DT_UINT8], token="pyfunc_1", _device="/job:localhost/replica:0/task:0/device:CPU:0"](Loss/Squeeze_1/_6143)]] Caused by op u'Loss/PyFunc_1', defined at: ...
The problem is that I do not want the window to block the main thread, and so, I try to run it on a separate thread. I have created a separate PopupBox class that I use to create the window. My idea is that I would create a new instance of this class each time I want to ...
RuntimeError: main thread is not in main loop occurred when using requests with multiple pop-up Windows (or normal Windows) After commenting outrequests.get("https://www.google.com"), the programme runs well. Code To Duplicate #!/usr/bin/python3 import queue import threading import time im...