_utils.py 文件源码

def __start_monitoring(self, stdout, stderr=None):
        """Start monitoring threads. **used internally**"""
        program = self.program
        name = "thread-{:x}".format(program.pid)

        # create monitoring threads + coroutines
        if stderr:
            res = process.monitorPipe(self.taskQueue, (stdout,program.stdout),(stderr,program.stderr), name=name)
        else:
            res = process.monitorPipe(self.taskQueue, (stdout,program.stdout), name=name)

        res = map(None, res)
        # attach a method for injecting data into a monitor
        for t,q in res: t.send = q.send
        threads,senders = zip(*res)

        # update threads for destruction later
        self.__threads.update(threads)

        # set things off
        for t in threads: t.start()