Timer.py

import uuid

class Timer(object):
	def __init__(self):
		self.timers = []

	def add(self, interval, f, repeat = -1):
		options = {
			"interval"	: interval,
			"callback"	: f,
			"repeat"		: repeat,
			"times"			: 0,
			"time"			: 0,
			"uuid"			: uuid.uuid4()
		}
		self.timers.append(options)

		return options["uuid"]

	def destroy(self, uuid_nr):
		for timer in self.timers:
			if timer["uuid"] == uuid_nr:
				self.timers.remove(timer)
				return

	def update(self, time_passed):
		for timer in self.timers:
			timer["time"] += time_passed
			if timer["time"] > timer["interval"]:
				timer["time"] -= timer["interval"]
				timer["times"] += 1
				if timer["repeat"] > -1 and timer["times"] == timer["repeat"]:
					self.timers.remove(timer)
				try:
					timer["callback"]()
				except:
					try:
						self.timers.remove(timer)
					except:
						pass

gtimer = Timer()