验证自己对 gevent 中 greenlets 调度顺序的理解

test_coroutine_schedule.py

#!/usr/bin/python2.7
# coding: utf-8

import gevent


class TestSchedule(object):
    def __init__(self, timeout=1, numtasks=10):
        self.timeout  = timeout
        self.numtasks = numtasks

    def run(self):
        tasks = [gevent.spawn(self._task, i) for i in xrange(self.numtasks)]
        gevent.joinall(tasks)
        print('All tasks are done!')

    def _task(self, pid):
        print('Task %d begin, wanting to sleep......' % (pid,))
        gevent.sleep(self.timeout)
        print('Task %d has waken up' % (pid,))


if __name__ == '__main__':
    test = TestSchedule()
    test.run()