def process(self, backend):
        self.log.debug("Checking backend for items")
        self.set_process_title("Waiting for items")

        # Tell master process that we are not processing anything.
        self.tell_master(None, False)

        job = backend.dequeue(self.queue, 15)
        if job is None:
            return False

        # Update master what we are doing
        self.tell_master(
            job.timeout,
            job.sigkill_on_stop,
        )

        self.log.debug("Running job %s", job)
        self.set_process_title("Running job %s" % job)

        if job.run() and self.touch_filename:
            with open(self.touch_filename, 'a'):
                os.utime(self.touch_filename, None)

        # Emulate Django's request_finished signal and close all of our
        # connections. Django assumes that making a DB connection is cheap, so
        # it's probably safe to assume that too.
        for x in connections:
            try:
                # Removed in recent versions
                transaction.abort(x)
            except __HOLE__:
                pass
            connections[x].close()

        return True
dataset/ETHPy150Open thread/django-lightweight-queue/django_lightweight_queue/worker.py/Worker.process