139 def command_callback(cmd, head, need_del, res=""):  argument
161 def check_file_send(local_file, remote_file, head, need_del):  argument
181 def rm_send_file(file_path, head, need_del):  argument
186 def check_file_recv(remote_file, local_file, head, need_del):  argument
217 def check_install(head, res):  argument
231 def check_root(head):  argument
237 def check_user(head):  argument
244 def get_devs(head=NORMAL_HEAD):  argument
267 def run_command(cmd, head=NORMAL_HEAD, need_del=True, need_callback=True):  argument
278 def run_command_stdout(cmd, head=NORMAL_HEAD, need_del=True, need_callback=True):  argument
294 def run_commands(cmds, head=NORMAL_HEAD, need_del=True):  argument
311 def run_split_commands(commands, head=NORMAL_HEAD):  argument
319 def run_device_cmd(head=NORMAL_HEAD):  argument
375 def get_md5(file_path, head=NORMAL_HEAD):  argument