Python Standard Library

The sched Module

The sched module is a simple event scheduler for non-threaded environments. Example 14-14 demonstrates.

Example 14-14. Using the sched Module

File: sched-example-1.py

import sched
import time, sys

scheduler = sched.scheduler(time.time, time.sleep)

# add a few operations to the queue
scheduler.enter(0.5, 100, sys.stdout.write, ("one\n",))
scheduler.enter(1.0, 300, sys.stdout.write, ("three\n",))
scheduler.enter(1.0, 200, sys.stdout.write, ("two\n",))

scheduler.run()

one
two
three