Python Parallel Programming Cookbook

How to use a thread in a subclass

To implement a new thread using the threading module, you have to do the following:

• Define a new subclass of the Thread class
• Override the _init__(self [,args]) method to add additional arguments
• Then, you need to override the run(self [,args]) method to implement what the thread should do when it is started

Once you have created the new Thread subclass, you can create an instance of it and then start a new thread by invoking the start() method, which will, in turn, call the run() method.

How to do it…

To implement a thread in a subclass, we define the myThread class. It has two methods that must be overridden with the thread's arguments:

import threading import time exitFlag = 0 class myThread (threading.Thread): def ...