@parse_keyval_args
    def do_send_message(self, vhost, exchange, rt_key, msg):
        self.request('publish', vhost, exchange, rt_key, msg)
Start a new, mapper-only mapreduce.
dataset/ETHPy150Open bkjones/bunnyq/bunnyq.py/Bunny.do_send_message--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/src/mapreduce/control.py/start_map