Created
June 4, 2015 19:36
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Python threading example
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| import random | |
| import threading | |
| import time | |
| import logging | |
| logging.basicConfig( | |
| level=logging.DEBUG, | |
| format='(%(threadName)-10s) %(message)s', | |
| ) | |
| max_threads = 3 | |
| class WorkerThread(threading.Thread): | |
| def __init__(self): | |
| super(WorkerThread, self).__init__() | |
| self.pause = random.randint(5, 10) | |
| self.daemon = True | |
| def run(self): | |
| logging.debug('sleeping %s', self.pause) | |
| time.sleep(self.pause) | |
| logging.debug('ending') | |
| thread_count = 0 | |
| while True: | |
| if thread_count < max_threads: | |
| t = WorkerThread() | |
| t.start() | |
| thread_count = 0 | |
| for t in threading.enumerate(): | |
| if type(t) is WorkerThread: | |
| thread_count += 1 | |
| if thread_count >= max_threads: | |
| time.sleep(1) |
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