使用sched模块，该模块实现了通用事件调度程序。
import sched, time
s = sched.scheduler(time.time, time.sleep)
def do_something(sc):
print "Doing stuff..."
# do your stuff
s.enter(60, 1, do_something, (sc,))
s.enter(60, 1, do_something, (s,))
s.run()
只需将你的时间循环锁定到系统时钟即可。简单。
import time
starttime=time.time()
while True:
print "tick"
time.sleep(60.0 - ((time.time() - starttime) % 60.0))
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