def RateLimited()

in python/awsgs.py [0:0]

• 14 lines of code
• 2 McCabe index (conditional complexity)

def RateLimited(maxPerSecond):

    #   Decorator function used to rate limit UDP packet sending

    minInterval = 1.0 / float(maxPerSecond)
    def decorate(func):
        lastTimeCalled = [0.0]
        def rateLimitedFunction(*args,**kargs):
            elapsed = time.time() - lastTimeCalled[0]
            leftToWait = minInterval - elapsed
            if leftToWait>0:
                time.sleep(leftToWait)
            ret = func(*args,**kargs)
            lastTimeCalled[0] = time.time()
            return ret
        return rateLimitedFunction
    return decorate