MAYA 多线程运行如下

'''

Usage:
def timerTest(): 
    print 'Hello World!'
#create and start a timer
timer = Timer(30, timerTest, repeat=True)
timer.start()
#To stop the timer
timer.stop()'''
import threading
try:
    from maya.utils import executeInMainThreadWithResultexcept:
    executeInMainThreadWithResult = None
class Timer(threading.Thread):
    def __init__(self, interval, function, args=[], kwargs={}, repeat=True):
        self.interval = interval
        self.function = function
        self.repeat = repeat
        self.args = args
        self.kwargs = kwargs
        self.event = threading.Event()
        threading.Thread.__init__(self)
    def run(self):
        def _mainLoop():
            self.event.wait(self.interval)
            if not self.event.isSet():
                if executeInMainThreadWithResult:
                    executeInMainThreadWithResult(self.function, *self.args, **self.kwargs)
                else:
                    self.function(*self.args, **self.kwargs)
        if self.repeat:
            while not self.event.isSet():
                _mainLoop()
        else:
            _mainLoop()
            self.stop()
    def start(self):
        self.event.clear()
        threading.Thread.start(self)
    def stop(self):
        self.event.set()
        threading.Thread.__init__(self)

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