multithreading Python 正在运行线程
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Python getting running Threads
提问by Davide Ruzza
I'm doing a project with python and in my code i had to start some threads. Now i need to call a thread to stop it from, but from another class. Is there some way to get a list of all running threads?
我正在用 python 做一个项目，在我的代码中我必须启动一些线程。现在我需要调用一个线程来阻止它，但是来自另一个类。有没有办法获得所有正在运行的线程的列表？
Thanks for help.
感谢帮助。
回答by kaiser
回答by Vineel
threading.enumerate()can be used for getting the list of running threads (Thread objects). As per library reference, running threads imply
threading.enumerate()可用于获取正在运行的线程（Thread 对象）列表。根据库参考，运行线程意味着
- All Thread objects that are currently alive, created using threading module
- Daemonic threads (whose presence doesn't prevent the process from exiting)
- Dummy thread objects created by current thread (Threads directly created from C code. They are always alive and daemonic and cannot be joined)
- Main Thread (Default thread in python)
- 当前活动的所有线程对象，使用线程模块创建
- 守护线程（其存在不会阻止进程退出）
- 当前线程创建的虚拟线程对象（直接从 C 代码创建的线程。它们始终处于活动状态和守护进程，无法加入）
- 主线程（python 中的默认线程）
It excludes Threads that are not yet started and already terminated.
它不包括尚未启动和已终止的线程。
You can use threading.active_countto get the length of the list returned by threading.enumerate
可以使用threading.active_count获取 threading.enumerate 返回的列表长度
