Here's a finished module, that will do what you want.
import threading
class EventTimer:
def __init__(self):
self.t = None
def add_event(self, func, days=0, hours=0, minutes=0, seconds=0):
times = [days, hours, minutes, seconds]
multiplier = [86400, 3600, 60, 1]
count = 0
for n in range(len(times)):
count += times[n] * multiplier[n]
self.t = threading.Timer(count, func)
def start_thread(self):
self.t.start()
def wait_for_finish(self, timeout=None):
self.t.join(timeout)
self.t = None
class MyTimer(EventTimer):
def __init__(self, max_iters=1, seconds=0):
super().__init__()
self.num_iterations_so_far = 0
self.max_iters = max_iters
self.seconds = seconds
def kick_off_event(self):
self.add_event(self.event_triggered, seconds=self.seconds)
self.start_thread()
def event_triggered(self):
self.max_iters -= 1
print('T minus {}'.format(self.max_iters))
if self.max_iters > 0:
self.kick_off_event()
def try_timer():
mte = MyTimer(max_iters=8, seconds=2)
mte.kick_off_event()
mte.wait_for_finish()
if __name__ == '__main__:
try_timer()
