in python/awsgs.py [0:0]
def getBytesFromFile(fileName, msgSize):
    #   Reads and returns Bytes from filename in msgSize chunks
    f = open(fileName, "rb")
    while True:
        buffer = f.read(msgSize)
        if buffer:
            #for b in buffer:
            buffer.rstrip()
            yield buffer
        else:
            break