python - Best way to launch a thread for a function in a class

Question

I've created a Class which I want to launch as a thread. I need to be able to launch multiple tasks to this Module(task_id).checkout() function at once.

I'm currently using threading.Thread for this, but it doesn't seem like the class actually get's launched as a thread. In my code (where the __init__ is much longer) every task takes around 0.2 seconds to launch. When I'm running hundreds of tasks, this really affects the user experience, cause it takes really long to intialize all the tasks (threads).

I've got the feeling I'm doing something wrong. The checkout function actually works, and gets launched as a Thread, but I've got the feeling the __init__ isn't processed as a thread, and that's why it takes so long to initialize all the tasks.

Take a look at my code below, am I doing something wrong? A other library to launch my tasks as threads is welcome aswell! Just want to launch my tasks as fast as possible :)

from threading import Thread

tasks = ["001", "002", "003"]

for task in tasks:
    Thread(target=Module(task_id).checkout).start()


class Module:
    def __init__(self, task_id):
        self.task_id = task_id
        print(f'Starting task: {self.task_id}')
    
    def checkout(self):
        print(f'Starting checkout for: {self.task_id}')

question from:https://stackoverflow.com/questions/65919094/best-way-to-launch-a-thread-for-a-function-in-a-class

Answer 1

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