lesson02_thread_names.py

# SuperFastPython.com
# example of setting the worker thread name prefix
from time import sleep
from concurrent.futures import ThreadPoolExecutor
import threading

# custom task function executed in the thread pool
def task(number):
 # block for a moment
 sleep(1)

# protect the entry point
if __name__ == '__main__':
 # create a thread pool
 with ThreadPoolExecutor(4,
 thread_name_prefix='Downloader') as exe:
 # issue many tasks to the pool
 _ = exe.map(task, range(20))
 # report all thread names
 for thread in threading.enumerate():
 print(thread)