def start_command(self, command, prompt,
input_end_mark_str, output_end_mark_str,
input_start_first = False):
if (input_start_first == True):
self.show_prompt = True
self.command_pipe = Popen(command, stdin = PIPE,
stdout = PIPE, stderr = PIPE,
bufsize = 1)
queue = Queue()
queue.closed = False
thread_stdout_queue = Thread(target = self.enqueue_output,
args = (queue, self.command_pipe.stdout))
thread_stdout_queue.daemon = True
thread_stdout_queue.start()
thread_stderr_queue = Thread(target = self.enqueue_output,
args = (queue, self.command_pipe.stderr))
thread_stderr_queue.daemon = True
thread_stderr_queue.start()
thread_input = Thread(target = self.catch_input,
args = (self.command_pipe, queue,
input_end_mark_str,
input_start_first))
thread_input.start()
thread_output = Thread(target = self.catch_output,
args = (self.command_pipe, queue,
prompt, output_end_mark_str))
thread_output.start()
